| Melksham to Opole | 871.01 mi (1,401.75 km) |
| Melksham to Orzesze | 913.69 mi (1,470.44 km) |
| Melksham to Osowa | 881.03 mi (1,417.88 km) |
| Melksham to Ostroda | 938.86 mi (1,510.95 km) |
| Melksham to Ostroleka | 1,005.55 mi (1,618.28 km) |
| Melksham to Ostrow Mazowiecka | 1,020.52 mi (1,642.37 km) |
| Melksham to Ostrow Wielkopolski | 855.62 mi (1,376.99 km) |
| Melksham to Ostrowiec Swietokrzyski | 1,016.18 mi (1,635.38 km) |
| Melksham to Ostrzeszow | 862.60 mi (1,388.22 km) |
| Melksham to Oswiecim | 935.82 mi (1,506.05 km) |
| Melksham to Otwock | 998.25 mi (1,606.53 km) |
| Melksham to Ozarow Mazowiecki | 977.86 mi (1,573.71 km) |
| Melksham to Ozimek | 882.95 mi (1,420.97 km) |
| Melksham to Ozorkow | 915.54 mi (1,473.43 km) |
| Melksham to Pabianice | 922.30 mi (1,484.30 km) |
