| Welwyn Garden City to Miedzychod | 681.54 mi (1,096.83 km) |
| Welwyn Garden City to Miedzyrzec Podlaski | 975.66 mi (1,570.18 km) |
| Welwyn Garden City to Miedzyrzecz | 669.53 mi (1,077.51 km) |
| Welwyn Garden City to Mielec | 941.81 mi (1,515.69 km) |
| Welwyn Garden City to Mikolow | 835.68 mi (1,344.89 km) |
| Welwyn Garden City to Milanowek | 885.87 mi (1,425.66 km) |
| Welwyn Garden City to Milicz | 747.33 mi (1,202.71 km) |
| Welwyn Garden City to Minsk Mazowiecki | 922.62 mi (1,484.82 km) |
| Welwyn Garden City to Mlawa | 867.23 mi (1,395.67 km) |
| Welwyn Garden City to Mogilno | 768.00 mi (1,235.98 km) |
| Welwyn Garden City to Monki | 967.54 mi (1,557.10 km) |
| Welwyn Garden City to Morag | 849.14 mi (1,366.55 km) |
| Welwyn Garden City to Mosina | 723.31 mi (1,164.06 km) |
| Welwyn Garden City to Mragowo | 904.72 mi (1,456.00 km) |
| Welwyn Garden City to Murowana Goslina | 729.17 mi (1,173.49 km) |
