| Fos-sur-Mer to Oegstgeest | 603.51 mi (971.26 km) |
| Fos-sur-Mer to Oirschot | 556.14 mi (895.03 km) |
| Fos-sur-Mer to Oisterwijk | 561.78 mi (904.10 km) |
| Fos-sur-Mer to Oldebroek | 623.09 mi (1,002.77 km) |
| Fos-sur-Mer to Oldenzaal | 619.16 mi (996.45 km) |
| Fos-sur-Mer to Ommen | 629.80 mi (1,013.57 km) |
| Fos-sur-Mer to Oosterend | 661.78 mi (1,065.04 km) |
| Fos-sur-Mer to Oosterhout | 565.80 mi (910.56 km) |
| Fos-sur-Mer to Oosterwolde | 661.75 mi (1,064.98 km) |
| Fos-sur-Mer to Oostzaan | 620.39 mi (998.42 km) |
| Fos-sur-Mer to Opmeer | 638.81 mi (1,028.06 km) |
| Fos-sur-Mer to Oss | 574.94 mi (925.28 km) |
| Fos-sur-Mer to Oud-Beijerland | 578.33 mi (930.73 km) |
| Fos-sur-Mer to Oudenbosch | 562.40 mi (905.09 km) |
| Fos-sur-Mer to Oudewater | 591.61 mi (952.10 km) |
