| Grimstad to Melzo | 887.87 mi (1,428.89 km) |
| Grimstad to Mendicino | 1,360.73 mi (2,189.88 km) |
| Grimstad to Menfi | 1,445.98 mi (2,327.08 km) |
| Grimstad to Mentana | 1,141.54 mi (1,837.14 km) |
| Grimstad to Merano | 813.42 mi (1,309.07 km) |
| Grimstad to Merate | 874.09 mi (1,406.71 km) |
| Grimstad to Mercato San Severino | 1,242.97 mi (2,000.37 km) |
| Grimstad to Mercogliano | 1,233.25 mi (1,984.72 km) |
| Grimstad to Mesagne | 1,293.00 mi (2,080.89 km) |
| Grimstad to Messina | 1,426.55 mi (2,295.81 km) |
| Grimstad to Mestre | 900.99 mi (1,450.01 km) |
| Grimstad to Mestrino | 900.61 mi (1,449.39 km) |
| Grimstad to Milan | 889.83 mi (1,432.05 km) |
| Grimstad to Milazzo | 1,421.92 mi (2,288.36 km) |
| Grimstad to Minerbio | 956.00 mi (1,538.53 km) |
