| Morsang-sur-Orge to Oegstgeest | 260.58 mi (419.36 km) |
| Morsang-sur-Orge to Oirschot | 235.77 mi (379.44 km) |
| Morsang-sur-Orge to Oisterwijk | 238.14 mi (383.24 km) |
| Morsang-sur-Orge to Oldebroek | 304.62 mi (490.24 km) |
| Morsang-sur-Orge to Oldenzaal | 323.02 mi (519.86 km) |
| Morsang-sur-Orge to Ommen | 320.55 mi (515.87 km) |
| Morsang-sur-Orge to Oosterend | 340.99 mi (548.77 km) |
| Morsang-sur-Orge to Oosterhout | 234.03 mi (376.64 km) |
| Morsang-sur-Orge to Oosterwolde | 344.98 mi (555.18 km) |
| Morsang-sur-Orge to Oostzaan | 283.35 mi (456.01 km) |
| Morsang-sur-Orge to Opmeer | 301.35 mi (484.98 km) |
| Morsang-sur-Orge to Oss | 256.21 mi (412.34 km) |
| Morsang-sur-Orge to Oud-Beijerland | 236.10 mi (379.96 km) |
| Morsang-sur-Orge to Oudenbosch | 224.07 mi (360.60 km) |
| Morsang-sur-Orge to Oudewater | 257.03 mi (413.66 km) |
