| Fostoria to Octeville | 3,811.43 mi (6,133.90 km) |
| Fostoria to Oignies | 3,971.12 mi (6,390.89 km) |
| Fostoria to Oissel | 3,930.59 mi (6,325.67 km) |
| Fostoria to Olivet | 4,010.12 mi (6,453.66 km) |
| Fostoria to Ollioules | 4,338.87 mi (6,982.73 km) |
| Fostoria to Olonne-sur-Mer | 3,898.70 mi (6,274.34 km) |
| Fostoria to Oloron-Sainte-Marie | 4,057.09 mi (6,529.25 km) |
| Fostoria to Onet Village | 4,156.09 mi (6,688.59 km) |
| Fostoria to Onnaing | 3,997.35 mi (6,433.12 km) |
| Fostoria to Orange | 4,258.48 mi (6,853.36 km) |
| Fostoria to Orchies | 3,980.76 mi (6,406.41 km) |
| Fostoria to Orleans | 4,009.22 mi (6,452.21 km) |
| Fostoria to Orly | 4,001.87 mi (6,440.39 km) |
| Fostoria to Ormesson-sur-Marne | 4,006.40 mi (6,447.68 km) |
| Fostoria to Orsay | 3,995.04 mi (6,429.39 km) |
