| Melksham to Oerlinghausen | 464.40 mi (747.37 km) |
| Melksham to Oestrich-Winkel | 453.40 mi (729.68 km) |
| Melksham to Offenburg | 490.39 mi (789.21 km) |
| Melksham to Oftersheim | 491.82 mi (791.51 km) |
| Melksham to Ohrdruf | 558.98 mi (899.59 km) |
| Melksham to Ohringen | 534.58 mi (860.33 km) |
| Melksham to Olbernhau | 672.95 mi (1,083.00 km) |
| Melksham to Olching | 637.82 mi (1,026.48 km) |
| Melksham to Oldenburg | 454.17 mi (730.91 km) |
| Melksham to Oldenburg in Holstein | 578.92 mi (931.68 km) |
| Melksham to Olfen | 409.54 mi (659.09 km) |
| Melksham to Olpe | 432.12 mi (695.42 km) |
| Melksham to Olsberg | 457.84 mi (736.82 km) |
| Melksham to Oranienburg | 658.76 mi (1,060.17 km) |
| Melksham to Ortenberg | 492.65 mi (792.85 km) |
