| Mogilno to Octeville | 871.72 mi (1,402.90 km) |
| Mogilno to Oignies | 658.58 mi (1,059.88 km) |
| Mogilno to Oissel | 765.84 mi (1,232.50 km) |
| Mogilno to Olivet | 780.06 mi (1,255.39 km) |
| Mogilno to Ollioules | 861.49 mi (1,386.43 km) |
| Mogilno to Olonne-sur-Mer | 974.90 mi (1,568.95 km) |
| Mogilno to Oloron-Sainte-Marie | 1,074.10 mi (1,728.59 km) |
| Mogilno to Onet Village | 903.30 mi (1,453.72 km) |
| Mogilno to Onnaing | 635.35 mi (1,022.49 km) |
| Mogilno to Orange | 839.76 mi (1,351.46 km) |
| Mogilno to Orchies | 648.04 mi (1,042.92 km) |
| Mogilno to Orleans | 778.35 mi (1,252.64 km) |
| Mogilno to Orly | 730.56 mi (1,175.73 km) |
| Mogilno to Ormesson-sur-Marne | 723.35 mi (1,164.12 km) |
| Mogilno to Orsay | 740.32 mi (1,191.44 km) |
