| Karlstad to Mangualde | 1,589.57 mi (2,558.16 km) |
| Karlstad to Marco de Canavezes | 1,564.24 mi (2,517.39 km) |
| Karlstad to Marinha Grande | 1,670.86 mi (2,688.99 km) |
| Karlstad to Massama | 1,740.03 mi (2,800.32 km) |
| Karlstad to Matosinhos | 1,578.31 mi (2,540.04 km) |
| Karlstad to Mealhada | 1,620.21 mi (2,607.48 km) |
| Karlstad to Melgaco | 1,511.30 mi (2,432.19 km) |
| Karlstad to Melres | 1,577.63 mi (2,538.94 km) |
| Karlstad to Mira | 1,624.35 mi (2,614.14 km) |
| Karlstad to Miranda do Corvo | 1,634.51 mi (2,630.48 km) |
| Karlstad to Mirandela | 1,521.66 mi (2,448.87 km) |
| Karlstad to Mogadouro | 1,519.45 mi (2,445.32 km) |
| Karlstad to Moimenta da Beira | 1,563.07 mi (2,515.52 km) |
| Karlstad to Moita | 1,739.34 mi (2,799.20 km) |
| Karlstad to Moncao | 1,519.43 mi (2,445.29 km) |
