| Aldenham to Octeville | 152.17 mi (244.90 km) |
| Aldenham to Oignies | 167.43 mi (269.45 km) |
| Aldenham to Oissel | 173.09 mi (278.56 km) |
| Aldenham to Olivet | 281.69 mi (453.33 km) |
| Aldenham to Ollioules | 656.46 mi (1,056.46 km) |
| Aldenham to Olonne-sur-Mer | 360.61 mi (580.34 km) |
| Aldenham to Oloron-Sainte-Marie | 585.90 mi (942.91 km) |
| Aldenham to Onet Village | 522.79 mi (841.35 km) |
| Aldenham to Onnaing | 193.30 mi (311.08 km) |
| Aldenham to Orange | 572.52 mi (921.38 km) |
| Aldenham to Orchies | 176.77 mi (284.48 km) |
| Aldenham to Orleans | 279.32 mi (449.52 km) |
| Aldenham to Orly | 235.96 mi (379.75 km) |
| Aldenham to Ormesson-sur-Marne | 236.86 mi (381.20 km) |
| Aldenham to Orsay | 234.22 mi (376.95 km) |
