| Kostinbrod to Oignies | 1,090.31 mi (1,754.68 km) |
| Kostinbrod to Oissel | 1,146.87 mi (1,845.70 km) |
| Kostinbrod to Olivet | 1,088.21 mi (1,751.30 km) |
| Kostinbrod to Ollioules | 876.75 mi (1,410.99 km) |
| Kostinbrod to Olonne-sur-Mer | 1,248.80 mi (2,009.75 km) |
| Kostinbrod to Oloron-Sainte-Marie | 1,199.94 mi (1,931.11 km) |
| Kostinbrod to Onet Village | 1,034.80 mi (1,665.36 km) |
| Kostinbrod to Onnaing | 1,063.49 mi (1,711.52 km) |
| Kostinbrod to Orange | 925.43 mi (1,489.33 km) |
| Kostinbrod to Orchies | 1,080.18 mi (1,738.39 km) |
| Kostinbrod to Orleans | 1,088.33 mi (1,751.49 km) |
| Kostinbrod to Orly | 1,079.41 mi (1,737.15 km) |
| Kostinbrod to Ormesson-sur-Marne | 1,073.73 mi (1,728.00 km) |
| Kostinbrod to Orsay | 1,087.70 mi (1,750.49 km) |
| Kostinbrod to Orthez | 1,205.82 mi (1,940.58 km) |
