| Orvieto to Marco de Canavezes | 1,043.95 mi (1,680.08 km) |
| Orvieto to Marinha Grande | 1,109.45 mi (1,785.48 km) |
| Orvieto to Massama | 1,149.13 mi (1,849.34 km) |
| Orvieto to Matosinhos | 1,071.86 mi (1,725.00 km) |
| Orvieto to Mealhada | 1,072.55 mi (1,726.10 km) |
| Orvieto to Melgaco | 1,037.70 mi (1,670.02 km) |
| Orvieto to Melres | 1,058.42 mi (1,703.37 km) |
| Orvieto to Mira | 1,086.01 mi (1,747.76 km) |
| Orvieto to Miranda do Corvo | 1,071.99 mi (1,725.20 km) |
| Orvieto to Mirandela | 990.48 mi (1,594.02 km) |
| Orvieto to Mogadouro | 969.00 mi (1,559.46 km) |
| Orvieto to Moimenta da Beira | 1,019.87 mi (1,641.32 km) |
| Orvieto to Moita | 1,137.06 mi (1,829.92 km) |
| Orvieto to Moncao | 1,048.98 mi (1,688.16 km) |
| Orvieto to Montalegre | 1,017.05 mi (1,636.79 km) |
