| Horgen to Mangualde | 932.52 mi (1,500.75 km) |
| Horgen to Marco de Canavezes | 927.15 mi (1,492.10 km) |
| Horgen to Marinha Grande | 1,017.22 mi (1,637.06 km) |
| Horgen to Massama | 1,073.66 mi (1,727.89 km) |
| Horgen to Matosinhos | 951.32 mi (1,531.00 km) |
| Horgen to Mealhada | 970.93 mi (1,562.56 km) |
| Horgen to Melgaco | 899.28 mi (1,447.24 km) |
| Horgen to Melres | 942.45 mi (1,516.72 km) |
| Horgen to Mira | 981.21 mi (1,579.10 km) |
| Horgen to Miranda do Corvo | 977.28 mi (1,572.78 km) |
| Horgen to Mirandela | 873.57 mi (1,405.88 km) |
| Horgen to Mogadouro | 859.12 mi (1,382.61 km) |
| Horgen to Moimenta da Beira | 911.48 mi (1,466.89 km) |
| Horgen to Moita | 1,066.17 mi (1,715.83 km) |
| Horgen to Moncao | 910.29 mi (1,464.97 km) |
