| Ferndale to Octeville | 3,744.52 mi (6,026.22 km) |
| Ferndale to Oignies | 3,901.57 mi (6,278.97 km) |
| Ferndale to Oissel | 3,862.99 mi (6,216.88 km) |
| Ferndale to Olivet | 3,943.88 mi (6,347.06 km) |
| Ferndale to Ollioules | 4,276.06 mi (6,881.66 km) |
| Ferndale to Olonne-sur-Mer | 3,835.57 mi (6,172.75 km) |
| Ferndale to Oloron-Sainte-Marie | 3,997.51 mi (6,433.37 km) |
| Ferndale to Onet Village | 4,093.54 mi (6,587.91 km) |
| Ferndale to Onnaing | 3,927.68 mi (6,320.99 km) |
| Ferndale to Orange | 4,195.10 mi (6,751.35 km) |
| Ferndale to Orchies | 3,911.12 mi (6,294.33 km) |
| Ferndale to Orleans | 3,942.93 mi (6,345.53 km) |
| Ferndale to Orly | 3,934.44 mi (6,331.88 km) |
| Ferndale to Ormesson-sur-Marne | 3,938.87 mi (6,339.00 km) |
| Ferndale to Orsay | 3,927.74 mi (6,321.09 km) |
