| Alpharetta to Mangualde | 4,093.83 mi (6,588.39 km) |
| Alpharetta to Marco de Canavezes | 4,060.99 mi (6,535.53 km) |
| Alpharetta to Marinha Grande | 4,056.35 mi (6,528.06 km) |
| Alpharetta to Massama | 4,063.28 mi (6,539.23 km) |
| Alpharetta to Matosinhos | 4,034.07 mi (6,492.20 km) |
| Alpharetta to Mealhada | 4,065.18 mi (6,542.27 km) |
| Alpharetta to Melgaco | 4,033.69 mi (6,491.60 km) |
| Alpharetta to Melres | 4,051.48 mi (6,520.23 km) |
| Alpharetta to Mira | 4,049.99 mi (6,517.83 km) |
| Alpharetta to Miranda do Corvo | 4,077.74 mi (6,562.49 km) |
| Alpharetta to Mirandela | 4,101.03 mi (6,599.97 km) |
| Alpharetta to Mogadouro | 4,127.27 mi (6,642.21 km) |
| Alpharetta to Moimenta da Beira | 4,092.05 mi (6,585.52 km) |
| Alpharetta to Moita | 4,080.60 mi (6,567.09 km) |
| Alpharetta to Moncao | 4,024.36 mi (6,476.58 km) |
