| Haddington to Octeville | 439.86 mi (707.88 km) |
| Haddington to Oignies | 447.77 mi (720.61 km) |
| Haddington to Oissel | 484.77 mi (780.16 km) |
| Haddington to Olivet | 593.31 mi (954.84 km) |
| Haddington to Ollioules | 964.58 mi (1,552.34 km) |
| Haddington to Olonne-sur-Mer | 652.29 mi (1,049.76 km) |
| Haddington to Oloron-Sainte-Marie | 887.01 mi (1,427.50 km) |
| Haddington to Onet Village | 834.78 mi (1,343.45 km) |
| Haddington to Onnaing | 466.28 mi (750.41 km) |
| Haddington to Orange | 881.99 mi (1,419.43 km) |
| Haddington to Orchies | 453.03 mi (729.08 km) |
| Haddington to Orleans | 590.89 mi (950.95 km) |
| Haddington to Orly | 543.68 mi (874.97 km) |
| Haddington to Ormesson-sur-Marne | 543.48 mi (874.64 km) |
| Haddington to Orsay | 543.25 mi (874.27 km) |
