| Martha Lake to Octeville | 4,829.94 mi (7,773.03 km) |
| Martha Lake to Oignies | 4,906.25 mi (7,895.85 km) |
| Martha Lake to Oissel | 4,919.75 mi (7,917.56 km) |
| Martha Lake to Olivet | 5,024.12 mi (8,085.54 km) |
| Martha Lake to Ollioules | 5,401.44 mi (8,692.78 km) |
| Martha Lake to Olonne-sur-Mer | 4,995.32 mi (8,039.19 km) |
| Martha Lake to Oloron-Sainte-Marie | 5,214.45 mi (8,391.85 km) |
| Martha Lake to Onet Village | 5,240.98 mi (8,434.54 km) |
| Martha Lake to Onnaing | 4,926.20 mi (7,927.95 km) |
| Martha Lake to Orange | 5,315.32 mi (8,554.17 km) |
| Martha Lake to Orchies | 4,912.32 mi (7,905.61 km) |
| Martha Lake to Orleans | 5,022.18 mi (8,082.41 km) |
| Martha Lake to Orly | 4,987.77 mi (8,027.04 km) |
| Martha Lake to Ormesson-sur-Marne | 4,989.25 mi (8,029.42 km) |
| Martha Lake to Orsay | 4,984.91 mi (8,022.44 km) |
