| Barcelona to Massarosa | 448.53 mi (721.84 km) |
| Barcelona to Matelica | 567.92 mi (913.97 km) |
| Barcelona to Matera | 752.57 mi (1,211.14 km) |
| Barcelona to Matino | 839.70 mi (1,351.37 km) |
| Barcelona to Mazzarino | 700.85 mi (1,127.90 km) |
| Barcelona to Meda | 458.21 mi (737.43 km) |
| Barcelona to Medesano | 463.83 mi (746.47 km) |
| Barcelona to Medicina | 523.73 mi (842.87 km) |
| Barcelona to Meldola | 535.29 mi (861.46 km) |
| Barcelona to Melegnano | 451.73 mi (726.99 km) |
| Barcelona to Melendugno | 846.99 mi (1,363.10 km) |
| Barcelona to Melfi | 700.31 mi (1,127.04 km) |
| Barcelona to Melilli | 749.41 mi (1,206.06 km) |
| Barcelona to Melito di Napoli | 627.57 mi (1,009.98 km) |
| Barcelona to Melito di Porto Salvo | 761.45 mi (1,225.44 km) |
