| Imatra to Oignies | 1,230.91 mi (1,980.97 km) |
| Imatra to Oissel | 1,345.56 mi (2,165.46 km) |
| Imatra to Olivet | 1,399.07 mi (2,251.59 km) |
| Imatra to Ollioules | 1,563.14 mi (2,515.63 km) |
| Imatra to Olonne-sur-Mer | 1,578.98 mi (2,541.12 km) |
| Imatra to Oloron-Sainte-Marie | 1,730.78 mi (2,785.42 km) |
| Imatra to Onet Village | 1,574.97 mi (2,534.67 km) |
| Imatra to Onnaing | 1,216.90 mi (1,958.42 km) |
| Imatra to Orange | 1,529.64 mi (2,461.72 km) |
| Imatra to Orchies | 1,223.10 mi (1,968.39 km) |
| Imatra to Orleans | 1,396.75 mi (2,247.86 km) |
| Imatra to Orly | 1,337.81 mi (2,152.99 km) |
| Imatra to Ormesson-sur-Marne | 1,331.32 mi (2,142.55 km) |
| Imatra to Orsay | 1,346.27 mi (2,166.61 km) |
| Imatra to Orthez | 1,718.61 mi (2,765.84 km) |
