| Mastic Beach to Marsala | 4,372.65 mi (7,037.10 km) |
| Mastic Beach to Marsciano | 4,185.10 mi (6,735.26 km) |
| Mastic Beach to Martano | 4,546.04 mi (7,316.15 km) |
| Mastic Beach to Martellago | 4,088.73 mi (6,580.17 km) |
| Mastic Beach to Martina Franca | 4,484.59 mi (7,217.26 km) |
| Mastic Beach to Martinengo | 3,985.78 mi (6,414.50 km) |
| Mastic Beach to Martinsicuro | 4,255.43 mi (6,848.46 km) |
| Mastic Beach to Mascali | 4,501.28 mi (7,244.11 km) |
| Mastic Beach to Mascalucia | 4,501.42 mi (7,244.34 km) |
| Mastic Beach to Masera di Padova | 4,083.92 mi (6,572.44 km) |
| Mastic Beach to Maserada sul Piave | 4,088.78 mi (6,580.25 km) |
| Mastic Beach to Massa | 4,051.19 mi (6,519.76 km) |
| Mastic Beach to Massa Lombarda | 4,110.55 mi (6,615.29 km) |
| Mastic Beach to Massafra | 4,479.51 mi (7,209.08 km) |
| Mastic Beach to Massalubrense | 4,355.94 mi (7,010.21 km) |
