| Northeim to Octeville | 529.15 mi (851.58 km) |
| Northeim to Oignies | 315.77 mi (508.18 km) |
| Northeim to Oissel | 423.75 mi (681.96 km) |
| Northeim to Olivet | 448.00 mi (720.98 km) |
| Northeim to Ollioules | 622.72 mi (1,002.17 km) |
| Northeim to Olonne-sur-Mer | 639.96 mi (1,029.91 km) |
| Northeim to Oloron-Sainte-Marie | 767.55 mi (1,235.25 km) |
| Northeim to Onet Village | 611.18 mi (983.61 km) |
| Northeim to Onnaing | 292.56 mi (470.83 km) |
| Northeim to Orange | 575.16 mi (925.64 km) |
| Northeim to Orchies | 305.20 mi (491.18 km) |
| Northeim to Orleans | 446.01 mi (717.78 km) |
| Northeim to Orly | 393.42 mi (633.15 km) |
| Northeim to Ormesson-sur-Marne | 386.32 mi (621.72 km) |
| Northeim to Orsay | 402.95 mi (648.48 km) |
