| Maarssen to Octeville | 338.84 mi (545.31 km) |
| Maarssen to Oignies | 145.15 mi (233.60 km) |
| Maarssen to Oissel | 258.91 mi (416.68 km) |
| Maarssen to Olivet | 326.34 mi (525.19 km) |
| Maarssen to Ollioules | 622.66 mi (1,002.08 km) |
| Maarssen to Olonne-sur-Mer | 493.29 mi (793.87 km) |
| Maarssen to Oloron-Sainte-Marie | 670.83 mi (1,079.60 km) |
| Maarssen to Onet Village | 548.42 mi (882.60 km) |
| Maarssen to Onnaing | 135.89 mi (218.70 km) |
| Maarssen to Orange | 552.63 mi (889.37 km) |
| Maarssen to Orchies | 138.51 mi (222.91 km) |
| Maarssen to Orleans | 323.75 mi (521.02 km) |
| Maarssen to Orly | 261.65 mi (421.09 km) |
| Maarssen to Ormesson-sur-Marne | 256.23 mi (412.36 km) |
| Maarssen to Orsay | 268.61 mi (432.29 km) |
