| Cernavoda to Nuth | 1,121.53 mi (1,804.93 km) |
| Cernavoda to Oegstgeest | 1,204.55 mi (1,938.54 km) |
| Cernavoda to Oirschot | 1,156.81 mi (1,861.71 km) |
| Cernavoda to Oisterwijk | 1,162.56 mi (1,870.96 km) |
| Cernavoda to Oldebroek | 1,153.17 mi (1,855.86 km) |
| Cernavoda to Oldenzaal | 1,109.17 mi (1,785.03 km) |
| Cernavoda to Ommen | 1,134.47 mi (1,825.76 km) |
| Cernavoda to Oosterend | 1,160.53 mi (1,867.69 km) |
| Cernavoda to Oosterhout | 1,177.85 mi (1,895.57 km) |
| Cernavoda to Oosterwolde | 1,151.52 mi (1,853.20 km) |
| Cernavoda to Oostzaan | 1,193.16 mi (1,920.21 km) |
| Cernavoda to Opmeer | 1,196.56 mi (1,925.68 km) |
| Cernavoda to Oss | 1,153.29 mi (1,856.04 km) |
| Cernavoda to Oud-Beijerland | 1,199.97 mi (1,931.17 km) |
| Cernavoda to Oudenbosch | 1,190.57 mi (1,916.03 km) |
