| Port-de-Bouc to Oegstgeest | 607.00 mi (976.87 km) |
| Port-de-Bouc to Oirschot | 559.50 mi (900.43 km) |
| Port-de-Bouc to Oisterwijk | 565.15 mi (909.52 km) |
| Port-de-Bouc to Oldebroek | 626.36 mi (1,008.03 km) |
| Port-de-Bouc to Oldenzaal | 622.24 mi (1,001.40 km) |
| Port-de-Bouc to Ommen | 632.98 mi (1,018.68 km) |
| Port-de-Bouc to Oosterend | 665.03 mi (1,070.27 km) |
| Port-de-Bouc to Oosterhout | 569.23 mi (916.09 km) |
| Port-de-Bouc to Oosterwolde | 664.96 mi (1,070.15 km) |
| Port-de-Bouc to Oostzaan | 623.81 mi (1,003.93 km) |
| Port-de-Bouc to Opmeer | 642.22 mi (1,033.56 km) |
| Port-de-Bouc to Oss | 578.26 mi (930.61 km) |
| Port-de-Bouc to Oud-Beijerland | 581.83 mi (936.37 km) |
| Port-de-Bouc to Oudenbosch | 565.89 mi (910.71 km) |
| Port-de-Bouc to Oudewater | 595.04 mi (957.62 km) |
