| South Portland to Maastricht | 3,438.75 mi (5,534.13 km) |
| South Portland to Made | 3,381.30 mi (5,441.67 km) |
| South Portland to Margraten | 3,445.00 mi (5,544.20 km) |
| South Portland to Marum | 3,401.21 mi (5,473.72 km) |
| South Portland to Medemblik | 3,365.17 mi (5,415.72 km) |
| South Portland to Meerssen | 3,440.53 mi (5,536.99 km) |
| South Portland to Meppel | 3,409.53 mi (5,487.10 km) |
| South Portland to Middelburg | 3,338.89 mi (5,373.42 km) |
| South Portland to Middelharnis | 3,354.66 mi (5,398.80 km) |
| South Portland to Mierlo | 3,420.33 mi (5,504.49 km) |
| South Portland to Moerdijk | 3,374.32 mi (5,430.45 km) |
| South Portland to Monnickendam | 3,370.62 mi (5,424.49 km) |
| South Portland to Montfoort | 3,377.94 mi (5,436.26 km) |
| South Portland to Naaldwijk | 3,349.91 mi (5,391.17 km) |
| South Portland to Naarden | 3,380.03 mi (5,439.63 km) |
