| Viseu to Marsala | 1,104.44 mi (1,777.42 km) |
| Viseu to Marsciano | 1,052.05 mi (1,693.12 km) |
| Viseu to Martano | 1,374.02 mi (2,211.27 km) |
| Viseu to Martellago | 1,063.91 mi (1,712.21 km) |
| Viseu to Martina Franca | 1,318.38 mi (2,121.73 km) |
| Viseu to Martinengo | 951.59 mi (1,531.43 km) |
| Viseu to Martinsicuro | 1,132.15 mi (1,822.01 km) |
| Viseu to Mascali | 1,250.16 mi (2,011.95 km) |
| Viseu to Mascalucia | 1,245.96 mi (2,005.18 km) |
| Viseu to Masera di Padova | 1,047.02 mi (1,685.02 km) |
| Viseu to Maserada sul Piave | 1,074.27 mi (1,728.87 km) |
| Viseu to Massa | 948.45 mi (1,526.38 km) |
| Viseu to Massa Lombarda | 1,034.93 mi (1,665.55 km) |
| Viseu to Massafra | 1,308.32 mi (2,105.53 km) |
| Viseu to Massalubrense | 1,164.26 mi (1,873.69 km) |
