| Potters Bar to Miedzychod | 682.57 mi (1,098.49 km) |
| Potters Bar to Miedzyrzec Podlaski | 976.53 mi (1,571.58 km) |
| Potters Bar to Miedzyrzecz | 670.44 mi (1,078.98 km) |
| Potters Bar to Mielec | 941.68 mi (1,515.48 km) |
| Potters Bar to Mikolow | 835.24 mi (1,344.19 km) |
| Potters Bar to Milanowek | 886.72 mi (1,427.05 km) |
| Potters Bar to Milicz | 747.64 mi (1,203.21 km) |
| Potters Bar to Minsk Mazowiecki | 923.55 mi (1,486.30 km) |
| Potters Bar to Mlawa | 868.66 mi (1,397.97 km) |
| Potters Bar to Mogilno | 769.10 mi (1,237.75 km) |
| Potters Bar to Monki | 969.16 mi (1,559.70 km) |
| Potters Bar to Morag | 851.04 mi (1,369.61 km) |
| Potters Bar to Mosina | 724.10 mi (1,165.33 km) |
| Potters Bar to Mragowo | 906.58 mi (1,459.00 km) |
| Potters Bar to Murowana Goslina | 730.19 mi (1,175.14 km) |
