| Darmstadt to Octeville | 459.59 mi (739.64 km) |
| Darmstadt to Oignies | 253.75 mi (408.38 km) |
| Darmstadt to Oissel | 340.39 mi (547.80 km) |
| Darmstadt to Olivet | 336.63 mi (541.76 km) |
| Darmstadt to Ollioules | 483.86 mi (778.69 km) |
| Darmstadt to Olonne-sur-Mer | 531.94 mi (856.07 km) |
| Darmstadt to Oloron-Sainte-Marie | 636.73 mi (1,024.72 km) |
| Darmstadt to Onet Village | 474.97 mi (764.39 km) |
| Darmstadt to Onnaing | 226.65 mi (364.76 km) |
| Darmstadt to Orange | 435.45 mi (700.78 km) |
| Darmstadt to Orchies | 242.88 mi (390.87 km) |
| Darmstadt to Orleans | 335.09 mi (539.27 km) |
| Darmstadt to Orly | 292.48 mi (470.70 km) |
| Darmstadt to Ormesson-sur-Marne | 285.29 mi (459.12 km) |
| Darmstadt to Orsay | 302.36 mi (486.60 km) |
