| Holbeach to Mangualde | 918.64 mi (1,478.40 km) |
| Holbeach to Marco de Canavezes | 889.00 mi (1,430.70 km) |
| Holbeach to Marinha Grande | 996.25 mi (1,603.30 km) |
| Holbeach to Massama | 1,066.74 mi (1,716.75 km) |
| Holbeach to Matosinhos | 900.32 mi (1,448.93 km) |
| Holbeach to Mealhada | 946.09 mi (1,522.58 km) |
| Holbeach to Melgaco | 832.34 mi (1,339.53 km) |
| Holbeach to Melres | 901.48 mi (1,450.79 km) |
| Holbeach to Mira | 948.58 mi (1,526.60 km) |
| Holbeach to Miranda do Corvo | 961.99 mi (1,548.17 km) |
| Holbeach to Mirandela | 851.00 mi (1,369.55 km) |
| Holbeach to Mogadouro | 852.59 mi (1,372.11 km) |
| Holbeach to Moimenta da Beira | 891.65 mi (1,434.97 km) |
| Holbeach to Moita | 1,067.95 mi (1,718.71 km) |
| Holbeach to Moncao | 839.66 mi (1,351.31 km) |
