| Mendig to Octeville | 399.43 mi (642.82 km) |
| Mendig to Oignies | 188.82 mi (303.87 km) |
| Mendig to Oissel | 284.68 mi (458.15 km) |
| Mendig to Olivet | 298.68 mi (480.68 km) |
| Mendig to Ollioules | 504.45 mi (811.83 km) |
| Mendig to Olonne-sur-Mer | 491.87 mi (791.58 km) |
| Mendig to Oloron-Sainte-Marie | 620.04 mi (997.86 km) |
| Mendig to Onet Village | 469.32 mi (755.29 km) |
| Mendig to Onnaing | 162.24 mi (261.11 km) |
| Mendig to Orange | 446.12 mi (717.95 km) |
| Mendig to Orchies | 177.80 mi (286.14 km) |
| Mendig to Orleans | 296.75 mi (477.58 km) |
| Mendig to Orly | 246.27 mi (396.34 km) |
| Mendig to Ormesson-sur-Marne | 239.07 mi (384.75 km) |
| Mendig to Orsay | 255.99 mi (411.98 km) |
