| South Portland to Magstadt | 3,632.65 mi (5,846.18 km) |
| South Portland to Mainaschaff | 3,599.79 mi (5,793.30 km) |
| South Portland to Mainburg | 3,749.86 mi (6,034.82 km) |
| South Portland to Maintal | 3,584.82 mi (5,769.21 km) |
| South Portland to Mainz | 3,567.02 mi (5,740.56 km) |
| South Portland to Maisach | 3,743.00 mi (6,023.78 km) |
| South Portland to Maisenhausen | 3,595.10 mi (5,785.75 km) |
| South Portland to Malente | 3,536.24 mi (5,691.03 km) |
| South Portland to Malsch | 3,602.67 mi (5,797.94 km) |
| South Portland to Manching | 3,736.11 mi (6,012.69 km) |
| South Portland to Mannheim | 3,589.76 mi (5,777.16 km) |
| South Portland to Mansfeld | 3,644.74 mi (5,865.65 km) |
| South Portland to Marbach am Neckar | 3,638.37 mi (5,855.40 km) |
| South Portland to Marburg | 3,562.96 mi (5,734.04 km) |
| South Portland to Marienberg | 3,740.25 mi (6,019.35 km) |
