| Coordinates
|
Country, territory or sea
|
Notes
|
| 18°0′N 0°0′E / 18.000°N 0.000°E / 18.000; 0.000 (Prime Meridian)
|
 Mali
|
|
| 18°0′N 4°14′E / 18.000°N 4.233°E / 18.000; 4.233 (Niger)
|
 Niger
|
|
| 18°0′N 15°33′E / 18.000°N 15.550°E / 18.000; 15.550 (Chad)
|
 Chad
|
|
| 18°0′N 24°0′E / 18.000°N 24.000°E / 18.000; 24.000 (Sudan)
|
 Sudan
|
|
| 18°0′N 38°34′E / 18.000°N 38.567°E / 18.000; 38.567 (Eritrea)
|
 Eritrea
|
For about 1 km
|
| 18°0′N 38°34′E / 18.000°N 38.567°E / 18.000; 38.567 (Red Sea)
|
Indian Ocean
|
Red Sea
|
| 18°0′N 41°38′E / 18.000°N 41.633°E / 18.000; 41.633 (Saudi Arabia)
|
 Saudi Arabia
|
|
| 18°0′N 48°7′E / 18.000°N 48.117°E / 18.000; 48.117 (Yemen)
|
 Yemen
|
|
| 18°0′N 52°28′E / 18.000°N 52.467°E / 18.000; 52.467 (Oman)
|
 Oman
|
|
| 18°0′N 56°24′E / 18.000°N 56.400°E / 18.000; 56.400 (Indian Ocean)
|
Indian Ocean
|
Arabian Sea
|
| 18°0′N 73°1′E / 18.000°N 73.017°E / 18.000; 73.017 (India)
|
 India
|
Maharashtra
Karnataka
Andhra Pradesh
Chhattisgarh
Orissa
Telangana
|
| 18°0′N 83°34′E / 18.000°N 83.567°E / 18.000; 83.567 (Indian Ocean)
|
Indian Ocean
|
Bay of Bengal
|
| 18°0′N 94°28′E / 18.000°N 94.467°E / 18.000; 94.467 (Myanmar)
|
 Myanmar (Burma)
|
|
| 18°0′N 97°44′E / 18.000°N 97.733°E / 18.000; 97.733 (Thailand)
|
 Thailand
|
|
| 18°0′N 101°1′E / 18.000°N 101.017°E / 18.000; 101.017 (Laos)
|
 Laos
|
|
| 18°0′N 101°45′E / 18.000°N 101.750°E / 18.000; 101.750 (Thailand)
|
Thailand
|
|
| 18°0′N 102°24′E / 18.000°N 102.400°E / 18.000; 102.400 (Laos)
|
Laos
|
Passing just north of Vientiane
|
| 18°0′N 103°3′E / 18.000°N 103.050°E / 18.000; 103.050 (Thailand)
|
Thailand
|
|
| 18°0′N 104°12′E / 18.000°N 104.200°E / 18.000; 104.200 (Laos)
|
Laos
|
|
| 18°0′N 105°37′E / 18.000°N 105.617°E / 18.000; 105.617 (Vietnam)
|
 Vietnam
|
|
| 18°0′N 106°28′E / 18.000°N 106.467°E / 18.000; 106.467 (South China Sea)
|
Pacific Ocean
|
Passing just south of the island of Hainan,  People's Republic of China, South China Sea
|
| 18°0′N 120°30′E / 18.000°N 120.500°E / 18.000; 120.500 (Philippines)
|
 Philippines
|
Island of Luzon
|
| 18°0′N 122°11′E / 18.000°N 122.183°E / 18.000; 122.183 (Pacific Ocean)
|
Pacific Ocean
|
Philippine Sea
Passing just south of Pagan Island,  Northern Mariana Islands
into an unnamed part of the Ocean
|
| 18°0′N 102°27′W / 18.000°N 102.450°W / 18.000; -102.450 (Mexico)
|
 Mexico
|
|
| 18°0′N 88°46′W / 18.000°N 88.767°W / 18.000; -88.767 (Belize)
|
 Belize
|
|
| 18°0′N 88°8′W / 18.000°N 88.133°W / 18.000; -88.133 (Chetumal Bay)
|
Atlantic Ocean
|
Chetumal Bay
|
| 18°0′N 87°58′W / 18.000°N 87.967°W / 18.000; -87.967 (Belize)
|
Belize
|
Ambergris Caye
|
| 18°0′N 87°55′W / 18.000°N 87.917°W / 18.000; -87.917 (Caribbean Sea)
|
Atlantic Ocean
|
Caribbean Sea
|
| 18°0′N 77°50′W / 18.000°N 77.833°W / 18.000; -77.833 (Jamaica)
|
 Jamaica
|
Passing through Kingston
|
| 18°0′N 76°15′W / 18.000°N 76.250°W / 18.000; -76.250 (Caribbean Sea)
|
Atlantic Ocean
|
Passing just south of the Tiburon Peninsula,  Haiti, Caribbean Sea
|
| 18°0′N 71°42′W / 18.000°N 71.700°W / 18.000; -71.700 (Dominican Republic)
|
 Dominican Republic
|
|
| 18°0′N 71°9′W / 18.000°N 71.150°W / 18.000; -71.150 (Caribbean Sea)
|
Atlantic Ocean
|
Caribbean Sea
Passing just south of Saona Island, Dominican Republic
Passing just south of Isla Mona,  Puerto Rico
|
| 18°0′N 67°12′W / 18.000°N 67.200°W / 18.000; -67.200 (Puerto Rico)
|
Puerto Rico
|
|
| 18°0′N 65°52′W / 18.000°N 65.867°W / 18.000; -65.867 (Caribbean Sea)
|
Atlantic Ocean
|
Caribbean Sea
Passing just south of Isla de Vieques, Puerto Rico
Passing between the islands of St. Thomas and St. Croix,  United States Virgin Islands
Passing just south of  Sint Maarten
|
| 18°0′N 63°0′W / 18.000°N 63.000°W / 18.000; -63.000 (Atlantic Ocean)
|
Atlantic Ocean
|
Passing just north of  Saint Barthélemy
|
| 18°0′N 16°1′W / 18.000°N 16.017°W / 18.000; -16.017 (Mauritania)
|
 Mauritania
|
Passing just south of Nouakchott
|
| 18°0′N 5°46′W / 18.000°N 5.767°W / 18.000; -5.767 (Mali)
|
Mali
|
|
