| Romainville to Oestrich-Winkel | 261.56 mi (420.94 km) |
| Romainville to Offenburg | 252.45 mi (406.28 km) |
| Romainville to Oftersheim | 279.99 mi (450.61 km) |
| Romainville to Ohrdruf | 393.01 mi (632.49 km) |
| Romainville to Ohringen | 320.61 mi (515.97 km) |
| Romainville to Olbernhau | 501.12 mi (806.48 km) |
| Romainville to Olching | 408.79 mi (657.89 km) |
| Romainville to Oldenburg | 386.70 mi (622.34 km) |
| Romainville to Oldenburg in Holstein | 520.41 mi (837.52 km) |
| Romainville to Olfen | 293.14 mi (471.76 km) |
| Romainville to Olpe | 281.52 mi (453.06 km) |
| Romainville to Olsberg | 317.39 mi (510.79 km) |
| Romainville to Oranienburg | 541.27 mi (871.09 km) |
| Romainville to Ortenberg | 313.17 mi (504.00 km) |
| Romainville to Oschatz | 501.11 mi (806.46 km) |
