| Montabaur to Octeville | 423.67 mi (681.84 km) |
| Montabaur to Oignies | 212.55 mi (342.07 km) |
| Montabaur to Oissel | 309.06 mi (497.39 km) |
| Montabaur to Olivet | 321.28 mi (517.06 km) |
| Montabaur to Ollioules | 512.82 mi (825.30 km) |
| Montabaur to Olonne-sur-Mer | 515.04 mi (828.87 km) |
| Montabaur to Oloron-Sainte-Marie | 639.03 mi (1,028.41 km) |
| Montabaur to Onet Village | 485.39 mi (781.15 km) |
| Montabaur to Onnaing | 186.15 mi (299.58 km) |
| Montabaur to Orange | 457.51 mi (736.29 km) |
| Montabaur to Orchies | 201.53 mi (324.33 km) |
| Montabaur to Orleans | 319.41 mi (514.05 km) |
| Montabaur to Orly | 269.92 mi (434.40 km) |
| Montabaur to Ormesson-sur-Marne | 262.71 mi (422.79 km) |
| Montabaur to Orsay | 279.68 mi (450.11 km) |
