| Grimstad to Marsala | 1,429.81 mi (2,301.06 km) |
| Grimstad to Marsciano | 1,077.80 mi (1,734.55 km) |
| Grimstad to Martano | 1,324.42 mi (2,131.45 km) |
| Grimstad to Martellago | 896.59 mi (1,442.92 km) |
| Grimstad to Martina Franca | 1,277.82 mi (2,056.45 km) |
| Grimstad to Martinengo | 883.71 mi (1,422.19 km) |
| Grimstad to Martinsicuro | 1,092.36 mi (1,757.98 km) |
| Grimstad to Mascali | 1,453.37 mi (2,338.97 km) |
| Grimstad to Mascalucia | 1,464.50 mi (2,356.89 km) |
| Grimstad to Masera di Padova | 910.37 mi (1,465.11 km) |
| Grimstad to Maserada sul Piave | 883.85 mi (1,422.42 km) |
| Grimstad to Massa | 990.71 mi (1,594.40 km) |
| Grimstad to Massa Lombarda | 969.47 mi (1,560.21 km) |
| Grimstad to Massafra | 1,282.82 mi (2,064.50 km) |
| Grimstad to Massalubrense | 1,250.46 mi (2,012.42 km) |
