| Spanish Lake to Octeville | 4,191.61 mi (6,745.74 km) |
| Spanish Lake to Oignies | 4,346.34 mi (6,994.76 km) |
| Spanish Lake to Oissel | 4,309.55 mi (6,935.55 km) |
| Spanish Lake to Olivet | 4,391.37 mi (7,067.23 km) |
| Spanish Lake to Ollioules | 4,724.99 mi (7,604.14 km) |
| Spanish Lake to Olonne-sur-Mer | 4,284.44 mi (6,895.15 km) |
| Spanish Lake to Oloron-Sainte-Marie | 4,446.72 mi (7,156.31 km) |
| Spanish Lake to Onet Village | 4,542.54 mi (7,310.51 km) |
| Spanish Lake to Onnaing | 4,372.30 mi (7,036.54 km) |
| Spanish Lake to Orange | 4,643.87 mi (7,473.59 km) |
| Spanish Lake to Orchies | 4,355.78 mi (7,009.95 km) |
| Spanish Lake to Orleans | 4,390.40 mi (7,065.66 km) |
| Spanish Lake to Orly | 4,381.12 mi (7,050.73 km) |
| Spanish Lake to Ormesson-sur-Marne | 4,385.47 mi (7,057.72 km) |
| Spanish Lake to Orsay | 4,374.52 mi (7,040.11 km) |
