| Hiddenhausen to Octeville | 479.79 mi (772.14 km) |
| Hiddenhausen to Oignies | 269.57 mi (433.82 km) |
| Hiddenhausen to Oissel | 382.21 mi (615.11 km) |
| Hiddenhausen to Olivet | 420.73 mi (677.11 km) |
| Hiddenhausen to Ollioules | 636.78 mi (1,024.80 km) |
| Hiddenhausen to Olonne-sur-Mer | 607.27 mi (977.31 km) |
| Hiddenhausen to Oloron-Sainte-Marie | 752.63 mi (1,211.25 km) |
| Hiddenhausen to Onet Village | 605.53 mi (974.50 km) |
| Hiddenhausen to Onnaing | 249.23 mi (401.10 km) |
| Hiddenhausen to Orange | 581.59 mi (935.99 km) |
| Hiddenhausen to Orchies | 259.69 mi (417.93 km) |
| Hiddenhausen to Orleans | 418.51 mi (673.53 km) |
| Hiddenhausen to Orly | 361.56 mi (581.88 km) |
| Hiddenhausen to Ormesson-sur-Marne | 354.75 mi (570.92 km) |
| Hiddenhausen to Orsay | 370.57 mi (596.37 km) |
