List of longest rivers of the United States (by main stem)

Table columns:
#
Name
Mouth[5]
Length
Source coordinates[11]
Mouth coordinates[11]
Watershed area[12]
Discharge[12]
States, provinces, and image[5][11]

Table rows:
cells: 1
Missouri River
Mississippi River
2,341 mi 3,768 km[13]
45°55′39″N 111°30′29″W﻿ / ﻿45.92750°N 111.50806°W[14]
38°48′49″N 90°07′11″W﻿ / ﻿38.81361°N 90.11972°W
529,353 mi2 1,371,017 km2[15] [n 2]
69,100 ft3/s 1,956 m3/s [n 3]
Montanas, North Dakota, South Dakota, Nebraska, Iowa, Kansas, Missourim
cells: 2
Mississippi River
Gulf of Mexico
2,202 mi 3,544 km[17] [n 4]
47°14′22″N 95°12′29″W﻿ / ﻿47.23944°N 95.20806°W[18]
29°09′04″N 89°15′12″W﻿ / ﻿29.15111°N 89.25333°W
1,260,000 mi2 3,270,000 km2[19] [n 5]
650,000 ft3/s 18,400 m3/s
Minnesotas, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, Louisianam
cells: 3
Yukon River
Bering Sea
1,979 mi 3,185 km[6] [n 6]
59°35′00″N 133°47′00″W﻿ / ﻿59.58333°N 133.78333°W[20]
62°35′55″N 164°48′00″W﻿ / ﻿62.59861°N 164.80000°W[21]
324,000 mi2 839,200 km2[22] [n 7]
224,000 ft3/s 6,340 m3/s
British Columbias, Yukon Territory, Alaskam
cells: 4
Rio Grande
Gulf of Mexico
1,759 mi 2,830 km[23] [n 8]
37°47′52″N 107°32′18″W﻿ / ﻿37.79778°N 107.53833°W[25]
25°57′22″N 97°08′43″W﻿ / ﻿25.95611°N 97.14528°W
340,000 mi2 870,000 km2[26] [n 9]
1,300 ft3/s 37 m3/s
Colorados, New Mexico, Texasm, Chihuahua, Coahuila, Nuevo León, Tamaulipasm
cells: 5
Colorado River
Gulf of California
1,450 mi 2,330 km[16] [n 10]
40°28′20″N 105°49′34″W﻿ / ﻿40.47222°N 105.82611°W[29]
31°48′57″N 114°48′22″W﻿ / ﻿31.81583°N 114.80611°W[30]
248,000 mi2 642,000 km2[10] [n 11]
1,400 ft3/s 40 m3/s
Colorados, Utah, Arizona, Nevada, California, Sonoram, Baja Californiam
cells: 6
Arkansas River
Mississippi River
1,443 mi 2,322 km [n 12]
39°15′30″N 106°20′38″W﻿ / ﻿39.25833°N 106.34389°W[32]
33°46′30″N 91°04′15″W﻿ / ﻿33.77500°N 91.07083°W
160,200 mi2 414,910 km2[33]
35,500 ft3/s 1,004 m3/s
Colorados, Kansas, Oklahoma, Arkansasm
cells: 7
Columbia River
Pacific Ocean
1,243 mi[6] 2,000 km [n 13]
50°13′00″N 115°51′00″W﻿ / ﻿50.21667°N 115.85000°W[34]
46°14′39″N 124°03′29″W﻿ / ﻿46.24417°N 124.05806°W[35]
279,548 mi2 724,024 km2[36] [n 14]
273,000 ft3/s 7,730 m3/s
British Columbias, Washingtonm, Oregonm
cells: 8
Red River
Atchafalaya and Mississippi rivers
1,125 mi 1,811 km [n 15]
34°34′35″N 99°57′54″W﻿ / ﻿34.57639°N 99.96500°W[40]
31°01′10″N 91°44′52″W﻿ / ﻿31.01944°N 91.74778°W
65,590 mi2 169,890 km2[41] [n 16]
30,100 ft3/s 852 m3/s [n 17]
Oklahomas, Texas, Arkansas, Louisianam
cells: 9
Snake River
Columbia River
1,040 mi 1,674 km[16]
44°07′49″N 110°13′10″W﻿ / ﻿44.13028°N 110.21944°W[42]
46°11′10″N 119°01′43″W﻿ / ﻿46.18611°N 119.02861°W
108,000 mi2 281,000 km2[43]
55,300 ft3/s 1,565 m3/s
Wyomings, Idaho, Oregon, Washingtonm
cells: 10
Ohio River
Mississippi River
979 mi 1,575 km[44]
40°26′34″N 80°01′02″W﻿ / ﻿40.44278°N 80.01722°W[45]
36°59′12″N 89°07′50″W﻿ / ﻿36.98667°N 89.13056°W
204,000 mi2 529,000 km2[46]
308,400 ft3/s 8,733 m3/s
Pennsylvanias, Ohio, West Virginia, Indiana, Illinois, Kentuckym
cells: 11
Colorado River of Texas
Gulf of Mexico
970 mi 1,560 km[47]
32°40′47″N 101°43′51″W﻿ / ﻿32.67972°N 101.73083°W[48]
28°35′41″N 95°58′59″W﻿ / ﻿28.59472°N 95.98306°W
39,900 mi2 103,341 km2[49]
2,600 ft3/s 75 m3/s
Texass, m
cells: 12
Tennessee River
Ohio River
935 mi 1,504 km[50]
35°57′33″N 83°51′01″W﻿ / ﻿35.95917°N 83.85028°W[51]
37°04′02″N 88°33′53″W﻿ / ﻿37.06722°N 88.56472°W
40,880 mi2 105,870 km2[52]
71,000 ft3/s 2,000 m3/s
Tennessees, Alabama, Kentuckym
cells: 13
Canadian River
Arkansas River
906 mi 1,458 km[16]
37°01′11″N 105°04′33″W﻿ / ﻿37.01972°N 105.07583°W[53]
35°27′12″N 95°01′58″W﻿ / ﻿35.45333°N 95.03278°W
47,130 mi2 122,070 km2[54]
6,100 ft3/s 174 m3/s
Colorados, New Mexico, Texas, Oklahomam
cells: 14
Brazos River
Gulf of Mexico
860 mi 1,390 km[55]
33°16′07″N 100°00′37″W﻿ / ﻿33.26861°N 100.01028°W[56]
28°52′33″N 95°22′42″W﻿ / ﻿28.87583°N 95.37833°W
44,620 mi2 115,566 km2[57]
8,800 ft3/s 249 m3/s
Texass, m
cells: 15
Green River
Colorado River
760 mi 1,230 km[58]
43°09′13″N 109°40′18″W﻿ / ﻿43.15361°N 109.67167°W[59]
38°11′21″N 109°53′07″W﻿ / ﻿38.18917°N 109.88528°W
44,900 mi2 116,200 km2[60]
6,100 ft3/s 172 m3/s
Wyomings, Colorado, Utahm
cells: 16
Pecos River
Rio Grande
730 mi 1,175 km[61]
35°58′34″N 105°33′29″W﻿ / ﻿35.97611°N 105.55806°W[62]
29°41′59″N 101°22′17″W﻿ / ﻿29.69972°N 101.37139°W
44,000 mi2 113,960 km2[63]
71 ft3/s 2 m3/s
New Mexicos, Texasm
cells: 17
White River (Arkansas)
Mississippi River
720 mi 1,159 km[64]
35°50′20″N 93°36′16″W﻿ / ﻿35.83889°N 93.60444°W[65]
33°57′05″N 91°04′53″W﻿ / ﻿33.95139°N 91.08139°W
27,872 mi2 72,189 km2[66]
34,600 ft3/s 979 m3/s
Arkansass, m, Missouri
cells: 18
James River [n 18]
Missouri River
710 mi 1,140 km[67]
47°28′53″N 99°51′32″W﻿ / ﻿47.48139°N 99.85889°W[68]
42°52′17″N 97°17′26″W﻿ / ﻿42.87139°N 97.29056°W
20,942 mi2 54,240 km2[69]
854 ft3/s 24.2 m3/s[69] [n 19]
North Dakotas, South Dakotam
cells: 19
Kuskokwim River
Bering Sea
702 mi 1,130 km[70]
63°05′16″N 154°38′33″W﻿ / ﻿63.08778°N 154.64250°W[71]
60°04′59″N 162°20′02″W﻿ / ﻿60.08306°N 162.33389°W
48,000 mi2 124,319 km2[72]
67,000 ft3s 1,900 m3/s
Alaskas, m
cells: 20
Cimarron River
Arkansas River
698 mi 1,123 km[73]
36°54′24″N 102°59′12″W﻿ / ﻿36.90667°N 102.98667°W[74]
36°10′14″N 96°16′19″W﻿ / ﻿36.17056°N 96.27194°W
19,510 mi2 50,540 km2[75]
1,500 ft3/s 42 m3/s
Oklahomas, m, Colorado, Kansas
cells: 21
Cumberland River
Ohio River
696 mi 1,120 km[76]
36°50′42″N 83°19′26″W﻿ / ﻿36.84500°N 83.32389°W[77]
37°08′36″N 88°24′27″W﻿ / ﻿37.14333°N 88.40750°W
17,930 mi2 46,430 km2[78]
30,400 ft3/s 862 m3/s
Kentuckys, m, Tennessee
cells: 22
Yellowstone River
Missouri River
678 mi 1,091 km[79]
43°59′18″N 109°55′45″W﻿ / ﻿43.98833°N 109.92917°W[80]
47°58′42″N 103°58′56″W﻿ / ﻿47.97833°N 103.98222°W
70,400 mi2 182,336 km2[81]
12,800 ft3/s 362 m3/s
Wyomings, Montana, North Dakotam
cells: 23
North Platte River
Platte River
665 mi 1,070 km[82]
40°38′23″N 106°24′19″W﻿ / ﻿40.63972°N 106.40528°W[83]
41°06′50″N 100°40′33″W﻿ / ﻿41.11389°N 100.67583°W
34,885 mi2 90,352 km2[82]
770 ft3/s 21.9 m3/s
Colorados, Wyoming, Nebraskam
cells: 24
Milk River
Missouri River
625 mi 1,005 km[6][n 20]
48°51′20″N 113°01′10″W﻿ / ﻿48.85556°N 113.01944°W[85]
48°03′26″N 106°19′07″W﻿ / ﻿48.05722°N 106.31861°W
22,332 mi2 57,839 km2[86] [n 21]
670 ft3/s 18.9 m3/s
Alberta, Montanas, m
cells: 25
Ouachita River
Black River
605 mi 974 km[87]
31°41′56″N 94°19′57″W﻿ / ﻿31.69889°N 94.33250°W[88]
31°37′53″N 91°48′25″W﻿ / ﻿31.63139°N 91.80694°W
24,886 mi2 64,454 km2[89]
29,800 ft3/s 843 m3/s
Arkansass, Louisianam
cells: 26
Saint Lawrence River
Gulf of Saint Lawrence
600 mi 965 km[90] [n 22]
44°05′55″N 76°23′28″W﻿ / ﻿44.09861°N 76.39111°W[92]
49°40′00″N 64°30′00″W﻿ / ﻿49.66667°N 64.50000°W[93]
620,000 mi2 1,600,000 km2[94] [n 23]
440,000 ft3/s 12,600 m3/s [n 24]
New Yorks, Ontarios, Quebecm
cells: 27
Gila River
Colorado River
600 mi 960 km[95]
33°10′47″N 108°12′22″W﻿ / ﻿33.17972°N 108.20611°W[96]
32°43′11″N 114°33′19″W﻿ / ﻿32.71972°N 114.55528°W
57,850 mi2 149,832 km2[97] [n 25]
210 ft3/s 6 m3/s [n 26]
New Mexicos, Arizonam
cells: 28
Sheyenne River
Red River of the North
591 mi 951 km[98]
47°41′46″N 100°29′52″W﻿ / ﻿47.69611°N 100.49778°W[99]
47°01′25″N 96°49′31″W﻿ / ﻿47.02361°N 96.82528°W
8,800 mi2 23,000 km2 [n 27]
288 ft3/s 8.2 m3/s [n 28]
North Dakotas, m
cells: 29
Tanana River
Yukon River
584 mi 940 km [n 29]
63°02′57″N 141°51′52″W﻿ / ﻿63.04917°N 141.86444°W[103]
65°09′38″N 151°57′37″W﻿ / ﻿65.16056°N 151.96028°W
44,000 mi2 114,000 km2[104]
41,800 ft3/s 1,185 m3/s
Alaskas, m
cells: 30
Smoky Hill River
Kansas River
576 mi 927 km[98]
38°57′01″N 102°34′49″W﻿ / ﻿38.95028°N 102.58028°W[105]
39°03′36″N 96°48′04″W﻿ / ﻿39.06000°N 96.80111°W
19,260 mi2 49,900 km2 [n 30]
1,542 ft3/s 43.7 m3/s [n 31]
Colorados, Kansasm
cells: 31
Niobrara River
Missouri River
568 mi 914 km[98]
42°49′15″N 104°38′50″W﻿ / ﻿42.82083°N 104.64722°W[107]
42°45′58″N 98°02′50″W﻿ / ﻿42.76611°N 98.04722°W
12,600 mi2 32,600 km2[108]
1,700 ft3/s 49 m3/s
Wyomings, Nebraskam
cells: 32
Little Missouri River
Missouri River
560 mi 900 km[109]
44°32′25″N 104°59′57″W﻿ / ﻿44.54028°N 104.99917°W[110]
47°36′38″N 102°52′24″W﻿ / ﻿47.61056°N 102.87333°W
8,310 mi2 21,500 km2[111] [n 32]
450 ft3/s 13 m3/s[111] [n 33]
Wyomings, Montana, South Dakota, North Dakotam
cells: 33
Sabine River
Gulf of Mexico
553 mi 890 km[112]
32°48′29″N 95°55′14″W﻿ / ﻿32.80806°N 95.92056°W[113]
29°59′08″N 93°47′26″W﻿ / ﻿29.98556°N 93.79056°W
9,756 mi2 25,268 km2[114]
8,400 ft3/s 238 m3/s
Texass, Louisianam
cells: 34
Red River of the North
Lake Winnipeg
550 mi 890 km[115] [n 34]
46°15′52″N 96°35′55″W﻿ / ﻿46.26444°N 96.59861°W[117]
50°23′47″N 96°48′39″W﻿ / ﻿50.39639°N 96.81083°W[118]
111,000 mi2 287,500 km2[119] [n 35]
8,300 ft3/s 236 m3/s
North Dakotas, Minnesotas, Manitobam
cells: 35
Des Moines River
Mississippi River
525 mi 845 km[120]
44°05′02″N 95°41′17″W﻿ / ﻿44.08389°N 95.68806°W[121]
41°22′52″N 91°25′21″W﻿ / ﻿41.38111°N 91.42250°W
12,018 mi2 31,127 km2[122]
6,400 ft3/s 182 m3/s
Minnesotas, Missouri, Iowam
cells: 36
White River (Missouri River)
Missouri River
506 mi 815 km[123]
42°41′10″N 103°50′14″W﻿ / ﻿42.68611°N 103.83722°W[124]
43°42′50″N 99°28′01″W﻿ / ﻿43.71389°N 99.46694°W
10,200 mi2 26,418 km2[125]
570 ft3/s 16 m3/s
Nebraskas, South Dakotam
cells: 37
Trinity River
Galveston Bay
506 mi 815 km[126]
32°47′54″N 96°53′52″W﻿ / ﻿32.79833°N 96.89778°W[127]
29°44′35″N 94°42′12″W﻿ / ﻿29.74306°N 94.70333°W
17,970 mi2 46,540 km2[128]
7,800 ft3/s 222 m3/s
Texass, m
cells: 38
Wabash River
Ohio River
503 mi 810 km[98]
40°21′07″N 84°45′57″W﻿ / ﻿40.35194°N 84.76583°W[129]
37°47′53″N 88°01′38″W﻿ / ﻿37.79806°N 88.02722°W
32,950 mi2 85,340 km2[130]</ref>
1,001 ft3/s 28 m3/s
Ohios, Indianam, Illinoism

Questions about this table:
originalText: what is the longest river in the united states
answer: answerTexts: Missouri River
alternativeAnswers: answerTexts: Missouri River
answerTexts: Missouri River
answerTexts: Missouri River