| Breisach am Rhein to Oegstgeest | 318.19 mi (512.07 km) |
| Breisach am Rhein to Oirschot | 260.27 mi (418.86 km) |
| Breisach am Rhein to Oisterwijk | 267.28 mi (430.14 km) |
| Breisach am Rhein to Oldebroek | 314.08 mi (505.46 km) |
| Breisach am Rhein to Oldenzaal | 297.35 mi (478.53 km) |
| Breisach am Rhein to Ommen | 314.02 mi (505.36 km) |
| Breisach am Rhein to Oosterend | 349.80 mi (562.95 km) |
| Breisach am Rhein to Oosterhout | 277.38 mi (446.40 km) |
| Breisach am Rhein to Oosterwolde | 347.15 mi (558.69 km) |
| Breisach am Rhein to Oostzaan | 326.53 mi (525.50 km) |
| Breisach am Rhein to Opmeer | 342.63 mi (551.41 km) |
| Breisach am Rhein to Oss | 273.83 mi (440.69 km) |
| Breisach am Rhein to Oud-Beijerland | 297.23 mi (478.34 km) |
| Breisach am Rhein to Oudenbosch | 280.96 mi (452.16 km) |
| Breisach am Rhein to Oudewater | 300.43 mi (483.50 km) |
