longest train services 

Statements about this table:
only 2 of the list train service run on a tri - weekly schedule
tamil nadu sampark kranti be the only train service list without a form of the word 'express' in its name
every train service list take longer than 1 day to complete its trip
the most common schedule for the train service list be weekly
the 2 longest train service be both locate in patna
all of the list train service run on a tri - weekly schedule
tamil nadu sampark kranti be the only train service list with a form of the word 'express' in its name
the most common schedule for the train service list be daily
dibrugarh
kanyakumari
vivek express / 15905 / 15906
indian railways
4286 km
55
weekly
82.30 hrs (~3.5 days)
jammutawi
kanyakumari
himsagar express / 6318
indian railways
3715 km
71
weekly
69 hrs 40 min (~3 days)
mangalore
jammu
navyug express / 16687
indian railways
3609 km
61
weekly
68 hrs (~3 days)
yeswanthpur ( bangalore )
dibrugarh
dibrugarh express / 15901
indian railways
3578 km
70
weekly
68 hrs (~3 days)
tirunelveli
jammu
ten jammu express / 16787
indian railways
3561 km
70
biweekly
70 hrs (~3 days)
thiruvananthapuram
guwahati
guwahati express / 12515
indian railways
3552 km
50
weekly
65 hrs
dehradun
kochuveli railway station ( thiruvananthapuram )
ddn kcvl sup express / 12288
indian railways
3459 km
25
weekly
61 hrs 10 mins
ernakulam
barauni
raptisagar express / 12522
indian railways
3441 km
61
weekly
62 hrs (~3 days)
chandigarh
kochuveli railway station ( thiruvananthapuram )
keraka sampark kranti express / 12218
indian railways
3415 km
21
weekly
57 hrs 35 mins
guwahati
ernakulam
guwahati - ernakulam express / 12508
indian railways
3337 km
43
weekly
59 hrs 45 mins
amritsar
kochuveli railway station ( thiruvananthapuram )
amritsar kochuveli express / 12484
indian railways
3296 km
22
weekly
57 hrs 10 min (~2.5 days)
okha
rameswaram
rameswaram - okha express / 16733
indian railways
3256 km
40
weekly
65 hrs 00 mins
thiruvananthapuram
gorakhpur
raptisagar express / 12512
indian railways
3248 km
60
tri - weekly
57hrs 5 mins
okha
guwahati
dwarka express / 15636
indian railways
3213 km
41
weekly
65 hrs 35 mins
dibrugarh
kanyakumari
vivek express / 15905 / 15906
indian railways
4286 km
55
weekly
82.30 hrs (~3.5 days)
dwarka
guwahati
dwarka express / 15636
indian railways
3213 km
41
weekly
65 hrs 35 mins
gandhidham
kamakhya
gimb kamakhya exp / 15667
indian railways
3111 km
33
weekly
64 hrs 45 min (~4 days)
dehradun
madurai
dehradun - madurai sf express / 12688
indian railways
3086 km
27
weekly
53 hrs 25 min (~3 days)
chandigarh
madurai
chandigarh - chennai - madurai link express / 22688
indian railways
3082 km
26
weekly
53 hrs 00 min (~3 days)
thiruvananthapuram
new delhi
thiruvananthapuram - new delhi kerala express / 12625
indian railways
3035 km
42
daily
50 hrs 25 mins (2 days)
dibrugarh
chennai
dibrugarh - chennai express / 15930
indian railways
3028 km
39
weekly
61.20 hrs (2.5 days)
patna
ernakulam
patna ernakulam exp / 16360
indian railways
2984 km
41
weekly
54h 30 m (~2. days + )
kanyakumari
new delhi
thirukkural express / 12641
indian railways
2918 km
25
bi - weekly
46 hrs 45 mins (>2 days)
dibrugarh
amritsar
dibrugarh - amritsar express / 15933
indian railways
2853 km
33
weekly
61.50 hrs (2.5 days)
jammu
chennai
andaman express / 16032
indian railways
2798 km
77
tri - weekly
58 hrs 25 min (~2.5 days)
patna
bangalore
sanghmitra exp / 12296
indian railways
2727 km
35
daily
48 hrs 45 mins
bikaner
kochuveli railway station ( thiruvananthapuram )
bikaner kochuveli express / 16311
indian railways
2706 km
39
weekly
54 hrs 35 mins (>2 days)
madurai
new delhi
tamil nadu sampark kranti / 12651
indian railways
2672 km
17
bi - weekly
42 hrs 5 mins (<2 days)
dibrugarh
kanyakumari
vivek express / 15905 / 15906
indian railways
4286 km
55
weekly
82.30 hrs (~3.5 days)
gandhidham
nagercoil
gandhidham exp / 16336
indian railways
2649 km
44
daily
48 hrs 50 mins (~2 days)
dibrugarh
chandigarh
dibrugarh - chandigarh express / 15903
indian railways
2597 km
31
weekly
51.50 hrs (>2 days)
amritsar
visakhapatnam
hirakud express / 18508
indian railways
2579 km
46
tri - weekly
48 hrs 5 min (2 days)
guwahati
lalgarh junction (sujangarh , rajasthan)
awadh - assam express / 15609
indian railways
2557 km
70
daily
56 hrs 15 mins
guwahati
secunderabad railway station
guwahati - secunderabad express / 12514
indian railways
2553.3 km
30
weekly
45 hrs 50 mins (3 days)
bikaner
coimbatore
bikaner - coimbatore exp / 22475
indian railways
2486 km
32
weekly
45 hrs 5 mins (~2 days)
barmer
guwahati
barmer - guwahati exp / 15631
indian railways
2453 km
29
bi - weekly
48 hrs 35 mins (~2 days)
puri
jodhpur
puri - jodhpur exp / 18473
indian railways
2434 km
39
weekly
46 hrs 30 mins (~2 days)
haridwar
puri
kalinga utkal exp / 18478
indian railways
2378 km
70
daily
49 hrs (~2 days)
jammu tavi
guwahati
lohit express / 15651
indian railways
2343 km
40
weekly
47 hrs 15 min (~3 days)
asansol
bhavnagar
parasnath exp / 12942
indian railways
2321 km
27
weekly
39 hrs 45 min (~1.6 days)
gandhidham
puri
gandhidham - puri sf express / 12993
indian railways
2286 km
25
weekly
41 hrs 30 min (~3 days)
korba
thiruvananthapuram
korba - thiruvananthapuram exp / 16327
indian railways
2276 km
46
bi - weekly
41 hrs (1.7 days)