| Nedre Eiker to Octeville | 838.78 mi (1,349.89 km) |
| Nedre Eiker to Oignies | 698.99 mi (1,124.92 km) |
| Nedre Eiker to Oissel | 802.72 mi (1,291.86 km) |
| Nedre Eiker to Olivet | 885.12 mi (1,424.47 km) |
| Nedre Eiker to Ollioules | 1,162.18 mi (1,870.36 km) |
| Nedre Eiker to Olonne-sur-Mer | 1,033.16 mi (1,662.72 km) |
| Nedre Eiker to Oloron-Sainte-Marie | 1,229.49 mi (1,978.68 km) |
| Nedre Eiker to Onet Village | 1,108.26 mi (1,783.57 km) |
| Nedre Eiker to Onnaing | 695.31 mi (1,119.00 km) |
| Nedre Eiker to Orange | 1,101.52 mi (1,772.73 km) |
| Nedre Eiker to Orchies | 694.82 mi (1,118.20 km) |
| Nedre Eiker to Orleans | 882.47 mi (1,420.20 km) |
| Nedre Eiker to Orly | 820.27 mi (1,320.10 km) |
| Nedre Eiker to Ormesson-sur-Marne | 815.39 mi (1,312.24 km) |
| Nedre Eiker to Orsay | 826.34 mi (1,329.86 km) |
