| Mantsala to Oignies | 1,110.47 mi (1,787.13 km) |
| Mantsala to Oissel | 1,224.95 mi (1,971.37 km) |
| Mantsala to Olivet | 1,280.11 mi (2,060.14 km) |
| Mantsala to Ollioules | 1,454.19 mi (2,340.29 km) |
| Mantsala to Olonne-sur-Mer | 1,458.71 mi (2,347.57 km) |
| Mantsala to Oloron-Sainte-Marie | 1,613.71 mi (2,597.01 km) |
| Mantsala to Onet Village | 1,460.07 mi (2,349.76 km) |
| Mantsala to Onnaing | 1,096.88 mi (1,765.25 km) |
| Mantsala to Orange | 1,417.87 mi (2,281.85 km) |
| Mantsala to Orchies | 1,102.79 mi (1,774.77 km) |
| Mantsala to Orleans | 1,277.77 mi (2,056.37 km) |
| Mantsala to Orly | 1,218.43 mi (1,960.87 km) |
| Mantsala to Ormesson-sur-Marne | 1,212.01 mi (1,950.54 km) |
| Mantsala to Orsay | 1,226.79 mi (1,974.33 km) |
| Mantsala to Orthez | 1,601.16 mi (2,576.82 km) |
