| Arcata to Octeville | 5,276.51 mi (8,491.73 km) |
| Arcata to Oignies | 5,362.86 mi (8,630.69 km) |
| Arcata to Oissel | 5,370.71 mi (8,643.32 km) |
| Arcata to Olivet | 5,473.41 mi (8,808.59 km) |
| Arcata to Ollioules | 5,848.95 mi (9,412.97 km) |
| Arcata to Olonne-sur-Mer | 5,434.09 mi (8,745.32 km) |
| Arcata to Oloron-Sainte-Marie | 5,647.41 mi (9,088.64 km) |
| Arcata to Onet Village | 5,684.02 mi (9,147.55 km) |
| Arcata to Onnaing | 5,383.66 mi (8,664.16 km) |
| Arcata to Orange | 5,762.63 mi (9,274.05 km) |
| Arcata to Orchies | 5,369.36 mi (8,641.15 km) |
| Arcata to Orleans | 5,471.56 mi (8,805.63 km) |
| Arcata to Orly | 5,439.84 mi (8,754.57 km) |
| Arcata to Ormesson-sur-Marne | 5,441.67 mi (8,757.52 km) |
| Arcata to Orsay | 5,436.51 mi (8,749.21 km) |
