| Morriston to Marsala | 1,244.65 mi (2,003.08 km) |
| Morriston to Marsciano | 969.36 mi (1,560.03 km) |
| Morriston to Martano | 1,321.40 mi (2,126.59 km) |
| Morriston to Martellago | 845.57 mi (1,360.82 km) |
| Morriston to Martina Franca | 1,260.87 mi (2,029.17 km) |
| Morriston to Martinengo | 752.59 mi (1,211.18 km) |
| Morriston to Martinsicuro | 1,029.33 mi (1,656.55 km) |
| Morriston to Mascali | 1,336.54 mi (2,150.96 km) |
| Morriston to Mascalucia | 1,341.56 mi (2,159.04 km) |
| Morriston to Masera di Padova | 843.65 mi (1,357.72 km) |
| Morriston to Maserada sul Piave | 843.73 mi (1,357.85 km) |
| Morriston to Massa | 836.46 mi (1,346.15 km) |
| Morriston to Massa Lombarda | 879.07 mi (1,414.72 km) |
| Morriston to Massafra | 1,258.37 mi (2,025.15 km) |
| Morriston to Massalubrense | 1,155.77 mi (1,860.03 km) |
