| Saint-Gregoire to Oegstgeest | 389.31 mi (626.54 km) |
| Saint-Gregoire to Oirschot | 387.67 mi (623.90 km) |
| Saint-Gregoire to Oisterwijk | 387.39 mi (623.44 km) |
| Saint-Gregoire to Oldebroek | 447.15 mi (719.61 km) |
| Saint-Gregoire to Oldenzaal | 476.92 mi (767.53 km) |
| Saint-Gregoire to Ommen | 467.15 mi (751.81 km) |
| Saint-Gregoire to Oosterend | 477.11 mi (767.83 km) |
| Saint-Gregoire to Oosterhout | 377.92 mi (608.21 km) |
| Saint-Gregoire to Oosterwolde | 483.56 mi (778.22 km) |
| Saint-Gregoire to Oostzaan | 413.97 mi (666.21 km) |
| Saint-Gregoire to Opmeer | 428.73 mi (689.98 km) |
| Saint-Gregoire to Oss | 405.78 mi (653.04 km) |
| Saint-Gregoire to Oud-Beijerland | 370.25 mi (595.86 km) |
| Saint-Gregoire to Oudenbosch | 364.34 mi (586.35 km) |
| Saint-Gregoire to Oudewater | 394.35 mi (634.65 km) |
