| Kyustendil to Oegstgeest | 1,089.39 mi (1,753.21 km) |
| Kyustendil to Oirschot | 1,034.42 mi (1,664.74 km) |
| Kyustendil to Oisterwijk | 1,041.08 mi (1,675.46 km) |
| Kyustendil to Oldebroek | 1,049.08 mi (1,688.32 km) |
| Kyustendil to Oldenzaal | 1,008.49 mi (1,623.01 km) |
| Kyustendil to Ommen | 1,034.19 mi (1,664.37 km) |
| Kyustendil to Oosterend | 1,066.13 mi (1,715.78 km) |
| Kyustendil to Oosterhout | 1,055.83 mi (1,699.19 km) |
| Kyustendil to Oosterwolde | 1,058.16 mi (1,702.94 km) |
| Kyustendil to Oostzaan | 1,083.81 mi (1,744.22 km) |
| Kyustendil to Opmeer | 1,091.70 mi (1,756.92 km) |
| Kyustendil to Oss | 1,036.24 mi (1,667.67 km) |
| Kyustendil to Oud-Beijerland | 1,078.76 mi (1,736.10 km) |
| Kyustendil to Oudenbosch | 1,066.27 mi (1,716.00 km) |
| Kyustendil to Oudewater | 1,068.90 mi (1,720.22 km) |
