| Melksham to Octeville | 122.45 mi (197.07 km) |
| Melksham to Oignies | 231.98 mi (373.34 km) |
| Melksham to Oissel | 199.77 mi (321.49 km) |
| Melksham to Olivet | 302.23 mi (486.39 km) |
| Melksham to Ollioules | 680.06 mi (1,094.45 km) |
| Melksham to Olonne-sur-Mer | 334.47 mi (538.28 km) |
| Melksham to Oloron-Sainte-Marie | 569.47 mi (916.47 km) |
| Melksham to Onet Village | 531.12 mi (854.75 km) |
| Melksham to Onnaing | 259.05 mi (416.90 km) |
| Melksham to Orange | 594.29 mi (956.41 km) |
| Melksham to Orchies | 242.40 mi (390.10 km) |
| Melksham to Orleans | 300.28 mi (483.25 km) |
| Melksham to Orly | 270.73 mi (435.69 km) |
| Melksham to Ormesson-sur-Marne | 273.58 mi (440.28 km) |
| Melksham to Orsay | 266.29 mi (428.56 km) |
