| Roanoke to Octeville | 3,837.45 mi (6,175.77 km) |
| Roanoke to Oignies | 4,010.29 mi (6,453.93 km) |
| Roanoke to Oissel | 3,959.51 mi (6,372.22 km) |
| Roanoke to Olivet | 4,031.50 mi (6,488.07 km) |
| Roanoke to Ollioules | 4,341.15 mi (6,986.40 km) |
| Roanoke to Olonne-sur-Mer | 3,904.97 mi (6,284.44 km) |
| Roanoke to Oloron-Sainte-Marie | 4,045.33 mi (6,510.33 km) |
| Roanoke to Onet Village | 4,158.12 mi (6,691.84 km) |
| Roanoke to Onnaing | 4,037.09 mi (6,497.07 km) |
| Roanoke to Orange | 4,264.03 mi (6,862.29 km) |
| Roanoke to Orchies | 4,020.40 mi (6,470.21 km) |
| Roanoke to Orleans | 4,030.85 mi (6,487.02 km) |
| Roanoke to Orly | 4,029.49 mi (6,484.84 km) |
| Roanoke to Ormesson-sur-Marne | 4,034.54 mi (6,492.97 km) |
| Roanoke to Orsay | 4,022.01 mi (6,472.79 km) |
