| Melksham to Oberkirch | 494.35 mi (795.58 km) |
| Melksham to Obernburg am Main | 505.25 mi (813.12 km) |
| Melksham to Obernkirchen | 484.20 mi (779.24 km) |
| Melksham to Oberschleissheim | 646.81 mi (1,040.94 km) |
| Melksham to Oberstdorf | 620.83 mi (999.13 km) |
| Melksham to Obertraubling | 653.35 mi (1,051.47 km) |
| Melksham to Obertshausen | 487.84 mi (785.10 km) |
| Melksham to Oberursel | 474.49 mi (763.62 km) |
| Melksham to Ochsenfurt | 548.59 mi (882.87 km) |
| Melksham to Ochsenhausen | 585.12 mi (941.66 km) |
| Melksham to Ochtrup | 402.54 mi (647.83 km) |
| Melksham to Odenthal | 401.07 mi (645.45 km) |
| Melksham to Oelde | 442.29 mi (711.80 km) |
| Melksham to Oelsnitz | 625.88 mi (1,007.26 km) |
| Melksham to Oer-Erkenschwick | 403.92 mi (650.05 km) |
