| Therwil to Mangualde | 894.85 mi (1,440.11 km) |
| Therwil to Marco de Canavezes | 887.77 mi (1,428.73 km) |
| Therwil to Marinha Grande | 979.93 mi (1,577.04 km) |
| Therwil to Massama | 1,037.88 mi (1,670.31 km) |
| Therwil to Matosinhos | 911.38 mi (1,466.72 km) |
| Therwil to Mealhada | 932.91 mi (1,501.37 km) |
| Therwil to Melgaco | 857.80 mi (1,380.49 km) |
| Therwil to Melres | 903.06 mi (1,453.33 km) |
| Therwil to Mira | 942.77 mi (1,517.24 km) |
| Therwil to Miranda do Corvo | 939.99 mi (1,512.77 km) |
| Therwil to Mirandela | 834.61 mi (1,343.17 km) |
| Therwil to Mogadouro | 821.06 mi (1,321.37 km) |
| Therwil to Moimenta da Beira | 873.16 mi (1,405.21 km) |
| Therwil to Moita | 1,030.96 mi (1,659.17 km) |
| Therwil to Moncao | 868.71 mi (1,398.06 km) |
