| Rio Maior to Massarosa | 1,040.76 mi (1,674.94 km) |
| Rio Maior to Matelica | 1,167.20 mi (1,878.43 km) |
| Rio Maior to Matera | 1,349.82 mi (2,172.33 km) |
| Rio Maior to Matino | 1,434.48 mi (2,308.58 km) |
| Rio Maior to Mazzarino | 1,258.44 mi (2,025.26 km) |
| Rio Maior to Meda | 1,017.52 mi (1,637.54 km) |
| Rio Maior to Medesano | 1,044.42 mi (1,680.84 km) |
| Rio Maior to Medicina | 1,112.23 mi (1,789.96 km) |
| Rio Maior to Meldola | 1,128.00 mi (1,815.35 km) |
| Rio Maior to Melegnano | 1,018.04 mi (1,638.37 km) |
| Rio Maior to Melendugno | 1,443.13 mi (2,322.49 km) |
| Rio Maior to Melfi | 1,298.77 mi (2,090.16 km) |
| Rio Maior to Melilli | 1,309.33 mi (2,107.17 km) |
| Rio Maior to Melito di Napoli | 1,225.21 mi (1,971.78 km) |
| Rio Maior to Melito di Porto Salvo | 1,333.60 mi (2,146.22 km) |
