| McCalla to Mangualde | 4,256.74 mi (6,850.56 km) |
| McCalla to Marco de Canavezes | 4,223.55 mi (6,797.15 km) |
| McCalla to Marinha Grande | 4,220.05 mi (6,791.51 km) |
| McCalla to Massama | 4,227.64 mi (6,803.73 km) |
| McCalla to Matosinhos | 4,196.75 mi (6,754.01 km) |
| McCalla to Mealhada | 4,228.37 mi (6,804.90 km) |
| McCalla to Melgaco | 4,195.57 mi (6,752.13 km) |
| McCalla to Melres | 4,214.19 mi (6,782.08 km) |
| McCalla to Mira | 4,213.21 mi (6,780.50 km) |
| McCalla to Miranda do Corvo | 4,241.10 mi (6,825.39 km) |
| McCalla to Mirandela | 4,263.17 mi (6,860.91 km) |
| McCalla to Mogadouro | 4,289.43 mi (6,903.17 km) |
| McCalla to Moimenta da Beira | 4,254.66 mi (6,847.21 km) |
| McCalla to Moita | 4,244.97 mi (6,831.62 km) |
| McCalla to Moncao | 4,186.32 mi (6,737.23 km) |
