| Roswell to Octeville | 4,170.35 mi (6,711.52 km) |
| Roswell to Oignies | 4,343.21 mi (6,989.72 km) |
| Roswell to Oissel | 4,292.45 mi (6,908.03 km) |
| Roswell to Olivet | 4,364.23 mi (7,023.56 km) |
| Roswell to Ollioules | 4,672.47 mi (7,519.62 km) |
| Roswell to Olonne-sur-Mer | 4,236.85 mi (6,818.55 km) |
| Roswell to Oloron-Sainte-Marie | 4,375.17 mi (7,041.16 km) |
| Roswell to Onet Village | 4,489.51 mi (7,225.16 km) |
| Roswell to Onnaing | 4,370.01 mi (7,032.85 km) |
| Roswell to Orange | 4,595.69 mi (7,396.06 km) |
| Roswell to Orchies | 4,353.32 mi (7,005.99 km) |
| Roswell to Orleans | 4,363.59 mi (7,022.52 km) |
| Roswell to Orly | 4,362.41 mi (7,020.61 km) |
| Roswell to Ormesson-sur-Marne | 4,367.47 mi (7,028.76 km) |
| Roswell to Orsay | 4,354.91 mi (7,008.54 km) |
