| Grand-Couronne to Olympia Heights (Florida) | 4,512.81 mi (7,262.66 km) |
| Grand-Couronne to Omaha (Nebraska) | 4,413.68 mi (7,103.13 km) |
| Grand-Couronne to On Top of the World Designated Place (Florida) | 4,434.39 mi (7,136.46 km) |
| Grand-Couronne to Onalaska (Wisconsin) | 4,109.42 mi (6,613.47 km) |
| Grand-Couronne to Oneida (New York) | 3,530.82 mi (5,682.31 km) |
| Grand-Couronne to Oneonta (New York) | 3,531.25 mi (5,682.99 km) |
| Grand-Couronne to Ontario (California) | 5,557.14 mi (8,943.35 km) |
| Grand-Couronne to Ontario (Oregon) | 4,980.62 mi (8,015.53 km) |
| Grand-Couronne to Opa-locka (Florida) | 4,500.56 mi (7,242.95 km) |
| Grand-Couronne to Opelika (Alabama) | 4,396.79 mi (7,075.96 km) |
| Grand-Couronne to Opelousas (Louisiana) | 4,780.99 mi (7,694.26 km) |
| Grand-Couronne to Orange (California) | 5,577.55 mi (8,976.20 km) |
| Grand-Couronne to Orange (Texas) | 4,870.38 mi (7,838.13 km) |
| Grand-Couronne to Orange City (Florida) | 4,399.19 mi (7,079.82 km) |
| Grand-Couronne to Orangeburg (South Carolina) | 4,166.13 mi (6,704.75 km) |
