| Castel Gandolfo to Miedzyrzec Podlaski | 852.22 mi (1,371.52 km) |
| Castel Gandolfo to Miedzyrzecz | 752.02 mi (1,210.25 km) |
| Castel Gandolfo to Mielec | 723.77 mi (1,164.80 km) |
| Castel Gandolfo to Mikolow | 654.05 mi (1,052.59 km) |
| Castel Gandolfo to Milanowek | 810.35 mi (1,304.13 km) |
| Castel Gandolfo to Milicz | 710.60 mi (1,143.60 km) |
| Castel Gandolfo to Minsk Mazowiecki | 833.24 mi (1,340.98 km) |
| Castel Gandolfo to Mlawa | 863.19 mi (1,389.17 km) |
| Castel Gandolfo to Mogilno | 792.78 mi (1,275.86 km) |
| Castel Gandolfo to Monki | 932.14 mi (1,500.14 km) |
| Castel Gandolfo to Morag | 904.99 mi (1,456.44 km) |
| Castel Gandolfo to Mosina | 751.56 mi (1,209.53 km) |
| Castel Gandolfo to Mragowo | 927.00 mi (1,491.86 km) |
| Castel Gandolfo to Murowana Goslina | 774.82 mi (1,246.96 km) |
| Castel Gandolfo to Myslenice | 659.23 mi (1,060.92 km) |
