| Buggenhout to Olympia Heights (Florida) | 4,626.94 mi (7,446.35 km) |
| Buggenhout to Omaha (Nebraska) | 4,466.05 mi (7,187.41 km) |
| Buggenhout to On Top of the World Designated Place (Florida) | 4,538.54 mi (7,304.08 km) |
| Buggenhout to Onalaska (Wisconsin) | 4,163.77 mi (6,700.95 km) |
| Buggenhout to Oneida (New York) | 3,612.79 mi (5,814.22 km) |
| Buggenhout to Oneonta (New York) | 3,615.93 mi (5,819.28 km) |
| Buggenhout to Ontario (California) | 5,581.60 mi (8,982.72 km) |
| Buggenhout to Ontario (Oregon) | 4,987.85 mi (8,027.17 km) |
| Buggenhout to Opa-locka (Florida) | 4,614.51 mi (7,426.34 km) |
| Buggenhout to Opelika (Alabama) | 4,488.02 mi (7,222.77 km) |
| Buggenhout to Opelousas (Louisiana) | 4,864.34 mi (7,828.39 km) |
| Buggenhout to Orange (California) | 5,601.97 mi (9,015.49 km) |
| Buggenhout to Orange (Texas) | 4,951.35 mi (7,968.43 km) |
| Buggenhout to Orange City (Florida) | 4,505.46 mi (7,250.83 km) |
| Buggenhout to Orangeburg (South Carolina) | 4,263.53 mi (6,861.49 km) |
