| Barcelos to Marsala | 1,145.76 mi (1,843.92 km) |
| Barcelos to Marsciano | 1,073.59 mi (1,727.78 km) |
| Barcelos to Martano | 1,403.84 mi (2,259.27 km) |
| Barcelos to Martellago | 1,073.84 mi (1,728.17 km) |
| Barcelos to Martina Franca | 1,347.05 mi (2,167.86 km) |
| Barcelos to Martinengo | 959.89 mi (1,544.80 km) |
| Barcelos to Martinsicuro | 1,153.76 mi (1,856.80 km) |
| Barcelos to Mascali | 1,289.42 mi (2,075.11 km) |
| Barcelos to Mascalucia | 1,285.88 mi (2,069.42 km) |
| Barcelos to Masera di Padova | 1,057.82 mi (1,702.39 km) |
| Barcelos to Maserada sul Piave | 1,083.38 mi (1,743.54 km) |
| Barcelos to Massa | 964.49 mi (1,552.20 km) |
| Barcelos to Massa Lombarda | 1,049.60 mi (1,689.17 km) |
| Barcelos to Massafra | 1,337.46 mi (2,152.43 km) |
| Barcelos to Massalubrense | 1,194.49 mi (1,922.34 km) |
