| Provadia to Oegstgeest | 1,228.31 mi (1,976.77 km) |
| Provadia to Oirschot | 1,178.24 mi (1,896.20 km) |
| Provadia to Oisterwijk | 1,184.28 mi (1,905.92 km) |
| Provadia to Oldebroek | 1,179.61 mi (1,898.40 km) |
| Provadia to Oldenzaal | 1,136.21 mi (1,828.56 km) |
| Provadia to Ommen | 1,161.81 mi (1,869.75 km) |
| Provadia to Oosterend | 1,189.61 mi (1,914.50 km) |
| Provadia to Oosterhout | 1,199.52 mi (1,930.44 km) |
| Provadia to Oosterwolde | 1,180.82 mi (1,900.35 km) |
| Provadia to Oostzaan | 1,218.44 mi (1,960.89 km) |
| Provadia to Opmeer | 1,223.08 mi (1,968.36 km) |
| Provadia to Oss | 1,176.19 mi (1,892.89 km) |
| Provadia to Oud-Beijerland | 1,222.01 mi (1,966.64 km) |
| Provadia to Oudenbosch | 1,211.68 mi (1,950.01 km) |
| Provadia to Oudewater | 1,208.30 mi (1,944.58 km) |
