| Grefrath to Marsciano | 645.83 mi (1,039.36 km) |
| Grefrath to Martano | 958.80 mi (1,543.03 km) |
| Grefrath to Martellago | 480.39 mi (773.11 km) |
| Grefrath to Martina Franca | 902.46 mi (1,452.37 km) |
| Grefrath to Martinengo | 428.09 mi (688.95 km) |
| Grefrath to Martinsicuro | 683.30 mi (1,099.66 km) |
| Grefrath to Mascali | 1,033.37 mi (1,663.04 km) |
| Grefrath to Mascalucia | 1,042.12 mi (1,677.13 km) |
| Grefrath to Masera di Padova | 486.94 mi (783.66 km) |
| Grefrath to Maserada sul Piave | 472.63 mi (760.62 km) |
| Grefrath to Massa | 534.35 mi (859.95 km) |
| Grefrath to Massa Lombarda | 538.84 mi (867.18 km) |
| Grefrath to Massafra | 903.41 mi (1,453.90 km) |
| Grefrath to Massalubrense | 833.38 mi (1,341.19 km) |
| Grefrath to Massarosa | 548.38 mi (882.54 km) |
