| Dearborn to Octeville | 3,754.02 mi (6,041.51 km) |
| Dearborn to Oignies | 3,911.31 mi (6,294.64 km) |
| Dearborn to Oissel | 3,872.56 mi (6,232.28 km) |
| Dearborn to Olivet | 3,953.33 mi (6,362.27 km) |
| Dearborn to Ollioules | 4,285.20 mi (6,896.37 km) |
| Dearborn to Olonne-sur-Mer | 3,844.74 mi (6,187.50 km) |
| Dearborn to Oloron-Sainte-Marie | 4,006.35 mi (6,447.59 km) |
| Dearborn to Onet Village | 4,102.66 mi (6,602.59 km) |
| Dearborn to Onnaing | 3,937.43 mi (6,336.68 km) |
| Dearborn to Orange | 4,204.29 mi (6,766.15 km) |
| Dearborn to Orchies | 3,920.86 mi (6,310.02 km) |
| Dearborn to Orleans | 3,952.38 mi (6,360.75 km) |
| Dearborn to Orly | 3,944.00 mi (6,347.25 km) |
| Dearborn to Ormesson-sur-Marne | 3,948.43 mi (6,354.39 km) |
| Dearborn to Orsay | 3,937.29 mi (6,336.45 km) |
