| Durbuy to Olympia Heights (Florida) | 4,690.90 mi (7,549.28 km) |
| Durbuy to Omaha (Nebraska) | 4,536.83 mi (7,301.32 km) |
| Durbuy to On Top of the World Designated Place (Florida) | 4,604.44 mi (7,410.13 km) |
| Durbuy to Onalaska (Wisconsin) | 4,234.48 mi (6,814.74 km) |
| Durbuy to Oneida (New York) | 3,681.62 mi (5,925.00 km) |
| Durbuy to Oneonta (New York) | 3,684.47 mi (5,929.59 km) |
| Durbuy to Ontario (California) | 5,652.15 mi (9,096.25 km) |
| Durbuy to Ontario (Oregon) | 5,057.45 mi (8,139.18 km) |
| Durbuy to Opa-locka (Florida) | 4,678.51 mi (7,529.33 km) |
| Durbuy to Opelika (Alabama) | 4,555.88 mi (7,331.97 km) |
| Durbuy to Opelousas (Louisiana) | 4,933.16 mi (7,939.15 km) |
| Durbuy to Orange (California) | 5,672.51 mi (9,129.02 km) |
| Durbuy to Orange (Texas) | 5,020.42 mi (8,079.59 km) |
| Durbuy to Orange City (Florida) | 4,570.97 mi (7,356.26 km) |
| Durbuy to Orangeburg (South Carolina) | 4,330.49 mi (6,969.25 km) |
