| Kyustendil to Oignies | 1,090.79 mi (1,755.46 km) |
| Kyustendil to Oissel | 1,143.15 mi (1,839.72 km) |
| Kyustendil to Olivet | 1,080.77 mi (1,739.32 km) |
| Kyustendil to Ollioules | 855.36 mi (1,376.56 km) |
| Kyustendil to Olonne-sur-Mer | 1,236.89 mi (1,990.58 km) |
| Kyustendil to Oloron-Sainte-Marie | 1,179.73 mi (1,898.59 km) |
| Kyustendil to Onet Village | 1,017.36 mi (1,637.28 km) |
| Kyustendil to Onnaing | 1,064.20 mi (1,712.66 km) |
| Kyustendil to Orange | 907.31 mi (1,460.18 km) |
| Kyustendil to Orchies | 1,080.87 mi (1,739.49 km) |
| Kyustendil to Orleans | 1,081.00 mi (1,739.70 km) |
| Kyustendil to Orly | 1,074.71 mi (1,729.58 km) |
| Kyustendil to Ormesson-sur-Marne | 1,069.23 mi (1,720.75 km) |
| Kyustendil to Orsay | 1,082.77 mi (1,742.54 km) |
| Kyustendil to Orthez | 1,186.35 mi (1,909.25 km) |
