| Neu Isenburg to Octeville | 461.46 mi (742.65 km) |
| Neu Isenburg to Oignies | 253.66 mi (408.22 km) |
| Neu Isenburg to Oissel | 343.39 mi (552.64 km) |
| Neu Isenburg to Olivet | 343.30 mi (552.48 km) |
| Neu Isenburg to Ollioules | 496.22 mi (798.59 km) |
| Neu Isenburg to Olonne-sur-Mer | 538.53 mi (866.67 km) |
| Neu Isenburg to Oloron-Sainte-Marie | 646.67 mi (1,040.72 km) |
| Neu Isenburg to Onet Village | 485.86 mi (781.92 km) |
| Neu Isenburg to Onnaing | 226.71 mi (364.86 km) |
| Neu Isenburg to Orange | 447.42 mi (720.05 km) |
| Neu Isenburg to Orchies | 242.70 mi (390.59 km) |
| Neu Isenburg to Orleans | 341.68 mi (549.89 km) |
| Neu Isenburg to Orly | 297.52 mi (478.81 km) |
| Neu Isenburg to Ormesson-sur-Marne | 290.30 mi (467.20 km) |
| Neu Isenburg to Orsay | 307.39 mi (494.70 km) |
