| Hamtramck to Octeville | 3,744.18 mi (6,025.68 km) |
| Hamtramck to Oignies | 3,901.50 mi (6,278.85 km) |
| Hamtramck to Oissel | 3,862.72 mi (6,216.45 km) |
| Hamtramck to Olivet | 3,943.48 mi (6,346.42 km) |
| Hamtramck to Ollioules | 4,275.36 mi (6,880.52 km) |
| Hamtramck to Olonne-sur-Mer | 3,834.89 mi (6,171.66 km) |
| Hamtramck to Oloron-Sainte-Marie | 3,996.52 mi (6,431.78 km) |
| Hamtramck to Onet Village | 4,092.81 mi (6,586.74 km) |
| Hamtramck to Onnaing | 3,927.62 mi (6,320.89 km) |
| Hamtramck to Orange | 4,194.44 mi (6,750.30 km) |
| Hamtramck to Orchies | 3,911.05 mi (6,294.23 km) |
| Hamtramck to Orleans | 3,942.54 mi (6,344.91 km) |
| Hamtramck to Orly | 3,934.16 mi (6,331.42 km) |
| Hamtramck to Ormesson-sur-Marne | 3,938.60 mi (6,338.56 km) |
| Hamtramck to Orsay | 3,927.45 mi (6,320.62 km) |
