| Valley to Octeville | 4,263.15 mi (6,860.87 km) |
| Valley to Oignies | 4,437.02 mi (7,140.70 km) |
| Valley to Oissel | 4,385.44 mi (7,057.69 km) |
| Valley to Olivet | 4,456.52 mi (7,172.08 km) |
| Valley to Ollioules | 4,762.67 mi (7,664.77 km) |
| Valley to Olonne-sur-Mer | 4,327.73 mi (6,964.82 km) |
| Valley to Oloron-Sainte-Marie | 4,463.97 mi (7,184.07 km) |
| Valley to Onet Village | 4,579.78 mi (7,370.45 km) |
| Valley to Onnaing | 4,463.86 mi (7,183.88 km) |
| Valley to Orange | 4,686.28 mi (7,541.85 km) |
| Valley to Orchies | 4,447.16 mi (7,157.02 km) |
| Valley to Orleans | 4,455.90 mi (7,171.08 km) |
| Valley to Orly | 4,455.25 mi (7,170.04 km) |
| Valley to Ormesson-sur-Marne | 4,460.36 mi (7,178.25 km) |
| Valley to Orsay | 4,447.70 mi (7,157.88 km) |
