| Barreiro to Minervino Murge | 1,339.26 mi (2,155.33 km) |
| Barreiro to Minturno | 1,217.92 mi (1,960.05 km) |
| Barreiro to Mira | 1,179.39 mi (1,898.05 km) |
| Barreiro to Mirandola | 1,119.06 mi (1,800.96 km) |
| Barreiro to Mirano | 1,179.05 mi (1,897.49 km) |
| Barreiro to Misano Adriatico | 1,183.33 mi (1,904.38 km) |
| Barreiro to Misilmeri | 1,217.80 mi (1,959.85 km) |
| Barreiro to Missaglia | 1,056.54 mi (1,700.34 km) |
| Barreiro to Misterbianco | 1,307.71 mi (2,104.55 km) |
| Barreiro to Modena | 1,108.04 mi (1,783.22 km) |
| Barreiro to Modica | 1,303.70 mi (2,098.11 km) |
| Barreiro to Modugno | 1,375.73 mi (2,214.02 km) |
| Barreiro to Mogliano Veneto | 1,186.58 mi (1,909.61 km) |
| Barreiro to Molfetta | 1,366.01 mi (2,198.37 km) |
| Barreiro to Molinella | 1,142.84 mi (1,839.22 km) |
