| Hannover to Octeville | 528.31 mi (850.23 km) |
| Hannover to Oignies | 317.82 mi (511.48 km) |
| Hannover to Oissel | 429.97 mi (691.98 km) |
| Hannover to Olivet | 465.06 mi (748.44 km) |
| Hannover to Ollioules | 662.15 mi (1,065.63 km) |
| Hannover to Olonne-sur-Mer | 653.40 mi (1,051.55 km) |
| Hannover to Oloron-Sainte-Marie | 792.94 mi (1,276.12 km) |
| Hannover to Onet Village | 641.57 mi (1,032.51 km) |
| Hannover to Onnaing | 297.06 mi (478.08 km) |
| Hannover to Orange | 611.35 mi (983.88 km) |
| Hannover to Orchies | 307.85 mi (495.43 km) |
| Hannover to Orleans | 462.90 mi (744.97 km) |
| Hannover to Orly | 407.12 mi (655.20 km) |
| Hannover to Ormesson-sur-Marne | 400.21 mi (644.08 km) |
| Hannover to Orsay | 416.29 mi (669.95 km) |
