Meridian barat ke-79
Dari ujung ke ujung

Berawal di Kutub Utara menuju selatan di Kutub Selatan, meridian barat ke-79 melintasi:
| Koordinat | Negara, teritori, atau laut | Catatan |
| --- | --- | --- |
| 90°0′N 79°0′W﻿ / ﻿90.000°N 79.000°W﻿ / 90.000; -79.000﻿ (Arctic Ocean) | Samudra Arktik |  |
| 82°52′N 79°0′W﻿ / ﻿82.867°N 79.000°W﻿ / 82.867; -79.000﻿ (Canada) |  Kanada | Nunavut — Pulau Ellesmere |
| 76°25′N 79°0′W﻿ / ﻿76.417°N 79.000°W﻿ / 76.417; -79.000﻿ (Glacier Strait) | Selat Glacier |  |
| 76°7′N 79°0′W﻿ / ﻿76.117°N 79.000°W﻿ / 76.117; -79.000﻿ (Canada) |  Kanada | Nunavut — Pulau Coburg |
| 75°50′N 79°0′W﻿ / ﻿75.833°N 79.000°W﻿ / 75.833; -79.000﻿ (Baffin Bay) | Teluk Baffin |  |
| 73°38′N 79°0′W﻿ / ﻿73.633°N 79.000°W﻿ / 73.633; -79.000﻿ (Canada) |  Kanada | Nunavut — Pulau Bylot |
| 72°46′N 79°0′W﻿ / ﻿72.767°N 79.000°W﻿ / 72.767; -79.000﻿ (Eclipse Sound) | Teluk Eclipse |  |
| 72°26′N 79°0′W﻿ / ﻿72.433°N 79.000°W﻿ / 72.433; -79.000﻿ (Canada) |  Kanada | Nunavut — Pulau Emmerson, Pulau Frechette, dan Pulau Baffin |
| 69°53′N 79°0′W﻿ / ﻿69.883°N 79.000°W﻿ / 69.883; -79.000﻿ (Foxe Basin) | Foxe Basin | Sebelah barat Pulau Koch, Nunavut,  Kanada (di 69°29′N 78°51′W﻿ / ﻿69.483°N 78.850°W﻿ / 69.483; -78.850﻿ (Koch Island)) |
| 69°7′N 79°0′W﻿ / ﻿69.117°N 79.000°W﻿ / 69.117; -79.000﻿ (Canada) |  Kanada | Nunavut — Rowley |
| 68°54′N 79°0′W﻿ / ﻿68.900°N 79.000°W﻿ / 68.900; -79.000﻿ (Foxe Basin) | Foxe Basin | Sebelah barat Pulau Spicer Utara, Nunavut,  Kanada (di 68°29′N 78°57′W﻿ / ﻿68.483°N 78.950°W﻿ / 68.483; -78.950﻿ (Spicer Islands)) |
| 68°22′N 79°0′W﻿ / ﻿68.367°N 79.000°W﻿ / 68.367; -79.000﻿ (Canada) |  Kanada | Nunavut — Pulau Spicer Selatan |
| 68°11′N 79°0′W﻿ / ﻿68.183°N 79.000°W﻿ / 68.183; -79.000﻿ (Foxe Basin) | Foxe Basin |  |
| 65°30′N 79°0′W﻿ / ﻿65.500°N 79.000°W﻿ / 65.500; -79.000﻿ (Foxe Channel) | Selat Foxe |  |
| 62°42′N 79°0′W﻿ / ﻿62.700°N 79.000°W﻿ / 62.700; -79.000﻿ (Hudson Bay) | Teluk Hudson | Sebelah barat Pulau Elsie, Nunavut,  Kanada (di 58°51′N 78°58′W﻿ / ﻿58.850°N 78.967°W﻿ / 58.850; -78.967﻿ (Elsie Island)) |
| 56°25′N 79°0′W﻿ / ﻿56.417°N 79.000°W﻿ / 56.417; -79.000﻿ (Canada) |  Kanada | Nunavut — Pulau Flaherty dan Pulau Innetalling |
| 55°59′N 79°0′W﻿ / ﻿55.983°N 79.000°W﻿ / 55.983; -79.000﻿ (Hudson Bay) | Teluk Hudson | Sebelah timur Pulau Long, Nunavut,  Kanada (di 54°56′N 79°1′W﻿ / ﻿54.933°N 79.017°W﻿ / 54.933; -79.017﻿ (Long Island)) |
| 54°50′N 79°0′W﻿ / ﻿54.833°N 79.000°W﻿ / 54.833; -79.000﻿ (Canada) |  Kanada | Quebec |
| 53°24′N 79°0′W﻿ / ﻿53.400°N 79.000°W﻿ / 53.400; -79.000﻿ (James Bay) | Teluk James |  |
| 51°47′N 79°0′W﻿ / ﻿51.783°N 79.000°W﻿ / 51.783; -79.000﻿ (Canada) |  Kanada | Quebec  Ontario — dari 46°35′N 79°0′W﻿ / ﻿46.583°N 79.000°W﻿ / 46.583; -79.000﻿ (Ontario) |
| 43°49′N 79°0′W﻿ / ﻿43.817°N 79.000°W﻿ / 43.817; -79.000﻿ (Lake Ontario) | Danau Ontario |  |
| 43°16′N 79°0′W﻿ / ﻿43.267°N 79.000°W﻿ / 43.267; -79.000﻿ (United States) |  Amerika Serikat | New York — sebelah timur Air Terjun Niagara (di 43°5′N 79°4′W﻿ / ﻿43.083°N 79.067°W﻿ / 43.083; -79.067﻿ (Niagara Falls)) |
| 42°58′N 79°0′W﻿ / ﻿42.967°N 79.000°W﻿ / 42.967; -79.000﻿ (Canada) |  Kanada | Ontario |
| 42°52′N 79°0′W﻿ / ﻿42.867°N 79.000°W﻿ / 42.867; -79.000﻿ (Lake Erie) | Danau Erie |  |
| 42°42′N 79°0′W﻿ / ﻿42.700°N 79.000°W﻿ / 42.700; -79.000﻿ (United States) |  Amerika Serikat | New York  Pennsylvania — dari 42°0′N 79°0′W﻿ / ﻿42.000°N 79.000°W﻿ / 42.000; -79.000﻿ (Pennsylvania)  Maryland — dari 39°43′N 79°0′W﻿ / ﻿39.717°N 79.000°W﻿ / 39.717; -79.000﻿ (Maryland)  West Virginia — dari 39°27′N 79°0′W﻿ / ﻿39.450°N 79.000°W﻿ / 39.450; -79.000﻿ (West Virginia)  Virginia — dari 38°49′N 79°0′W﻿ / ﻿38.817°N 79.000°W﻿ / 38.817; -79.000﻿ (Virginia)  North Carolina — dari 36°32′N 79°0′W﻿ / ﻿36.533°N 79.000°W﻿ / 36.533; -79.000﻿ (North Carolina)  South Carolina — dari 34°14′N 79°0′W﻿ / ﻿34.233°N 79.000°W﻿ / 34.233; -79.000﻿ (South Carolina) |
| 33°34′N 79°0′W﻿ / ﻿33.567°N 79.000°W﻿ / 33.567; -79.000﻿ (Atlantic Ocean) | Samudra Atlantik | Sebelah barat Bahama Besar,  Bahama (di 26°41′N 79°0′W﻿ / ﻿26.683°N 79.000°W﻿ / 26.683; -79.000﻿ (Grand Bahama)) |
| 22°40′N 79°0′W﻿ / ﻿22.667°N 79.000°W﻿ / 22.667; -79.000﻿ (Cuba) |  Kuba | Cayo Santa Maria dan daratan utama |
| 21°36′N 79°0′W﻿ / ﻿21.600°N 79.000°W﻿ / 21.600; -79.000﻿ (Atlantic Ocean) | Laut Karibia |  |
| 20°53′N 79°0′W﻿ / ﻿20.883°N 79.000°W﻿ / 20.883; -79.000﻿ (Cuba) |  Kuba | Doce Leguas Cays |
| 20°51′N 79°0′W﻿ / ﻿20.850°N 79.000°W﻿ / 20.850; -79.000﻿ (Atlantic Ocean) | Laut Karibia |  |
| 9°34′N 79°0′W﻿ / ﻿9.567°N 79.000°W﻿ / 9.567; -79.000﻿ (Panama) |  Panama |  |
| 8°57′N 79°0′W﻿ / ﻿8.950°N 79.000°W﻿ / 8.950; -79.000﻿ (Pacific Ocean) | Samudra Pasifik | Teluk Panama |
| 8°28′N 79°0′W﻿ / ﻿8.467°N 79.000°W﻿ / 8.467; -79.000﻿ (Panama) |  Panama | Kepulauan Pearl |
| 8°27′N 79°0′W﻿ / ﻿8.450°N 79.000°W﻿ / 8.450; -79.000﻿ (Pacific Ocean) | Samudra Pasifik |  |
| 1°41′N 79°0′W﻿ / ﻿1.683°N 79.000°W﻿ / 1.683; -79.000﻿ (Colombia) |  Kolombia | Titik paling barat |
| 1°35′N 79°0′W﻿ / ﻿1.583°N 79.000°W﻿ / 1.583; -79.000﻿ (Pacific Ocean) | Samudra Pasifik | Teluk Ancón de Sardinas |
| 1°14′N 79°0′W﻿ / ﻿1.233°N 79.000°W﻿ / 1.233; -79.000﻿ (Ecuador) |  Ekuador |  |
| 4°59′S 79°0′W﻿ / ﻿4.983°S 79.000°W﻿ / -4.983; -79.000﻿ (Peru) |  Peru |  |
| 8°13′S 79°0′W﻿ / ﻿8.217°S 79.000°W﻿ / -8.217; -79.000﻿ (Pacific Ocean) | Samudra Pasifik |  |
| 33°40′S 79°0′W﻿ / ﻿33.667°S 79.000°W﻿ / -33.667; -79.000﻿ (Chile) |  Chili | Pulau Robinson Crusoe dan Santa Clara |
| 33°42′S 79°0′W﻿ / ﻿33.700°S 79.000°W﻿ / -33.700; -79.000﻿ (Pacific Ocean) | Samudra Pasifik |  |
| 60°0′S 79°0′W﻿ / ﻿60.000°S 79.000°W﻿ / -60.000; -79.000﻿ (Southern Ocean) | Samudra Selatan |  |
| 72°57′S 79°0′W﻿ / ﻿72.950°S 79.000°W﻿ / -72.950; -79.000﻿ (Antarctica) | Antarktika | Diklaim oleh  Chili (Antártica Chilena Province) dan  Britania Raya (Teritori Antarktika Britania) |