| Dunkerque to Olympia Heights (Florida) | 4,548.99 mi (7,320.89 km) |
| Dunkerque to Omaha (Nebraska) | 4,399.27 mi (7,079.94 km) |
| Dunkerque to On Top of the World Designated Place (Florida) | 4,461.75 mi (7,180.49 km) |
| Dunkerque to Onalaska (Wisconsin) | 4,096.44 mi (6,592.58 km) |
| Dunkerque to Oneida (New York) | 3,539.40 mi (5,696.12 km) |
| Dunkerque to Oneonta (New York) | 3,542.05 mi (5,700.38 km) |
| Dunkerque to Ontario (California) | 5,522.63 mi (8,887.82 km) |
| Dunkerque to Ontario (Oregon) | 4,934.07 mi (7,940.62 km) |
| Dunkerque to Opa-locka (Florida) | 4,536.57 mi (7,300.91 km) |
| Dunkerque to Opelika (Alabama) | 4,413.15 mi (7,102.28 km) |
| Dunkerque to Opelousas (Louisiana) | 4,790.91 mi (7,710.22 km) |
| Dunkerque to Orange (California) | 5,543.02 mi (8,920.63 km) |
| Dunkerque to Orange (Texas) | 4,878.38 mi (7,850.99 km) |
| Dunkerque to Orange City (Florida) | 4,428.39 mi (7,126.80 km) |
| Dunkerque to Orangeburg (South Carolina) | 4,187.66 mi (6,739.38 km) |
