| South Portland to Minervino Murge | 4,199.77 mi (6,758.88 km) |
| South Portland to Minturno | 4,092.35 mi (6,586.01 km) |
| South Portland to Mira | 3,872.07 mi (6,231.50 km) |
| South Portland to Mirandola | 3,846.09 mi (6,189.69 km) |
| South Portland to Mirano | 3,868.53 mi (6,225.79 km) |
| South Portland to Misano Adriatico | 3,947.86 mi (6,353.47 km) |
| South Portland to Misilmeri | 4,203.42 mi (6,764.75 km) |
| South Portland to Missaglia | 3,745.17 mi (6,027.27 km) |
| South Portland to Misterbianco | 4,293.50 mi (6,909.72 km) |
| South Portland to Modena | 3,848.47 mi (6,193.51 km) |
| South Portland to Modica | 4,308.56 mi (6,933.96 km) |
| South Portland to Modugno | 4,230.54 mi (6,808.39 km) |
| South Portland to Mogliano Veneto | 3,872.10 mi (6,231.54 km) |
| South Portland to Molfetta | 4,218.11 mi (6,788.39 km) |
| South Portland to Molinella | 3,880.97 mi (6,245.82 km) |
