| Sun City Center to Mangualde | 4,230.93 mi (6,809.03 km) |
| Sun City Center to Marco de Canavezes | 4,202.19 mi (6,762.77 km) |
| Sun City Center to Marinha Grande | 4,184.04 mi (6,733.56 km) |
| Sun City Center to Massama | 4,181.91 mi (6,730.14 km) |
| Sun City Center to Matosinhos | 4,174.27 mi (6,717.83 km) |
| Sun City Center to Mealhada | 4,199.12 mi (6,757.84 km) |
| Sun City Center to Melgaco | 4,182.48 mi (6,731.06 km) |
| Sun City Center to Melres | 4,191.25 mi (6,745.17 km) |
| Sun City Center to Mira | 4,183.82 mi (6,733.21 km) |
| Sun City Center to Miranda do Corvo | 4,209.54 mi (6,774.59 km) |
| Sun City Center to Mirandela | 4,246.52 mi (6,834.11 km) |
| Sun City Center to Mogadouro | 4,272.38 mi (6,875.73 km) |
| Sun City Center to Moimenta da Beira | 4,232.55 mi (6,811.64 km) |
| Sun City Center to Moita | 4,198.92 mi (6,757.51 km) |
| Sun City Center to Moncao | 4,172.41 mi (6,714.85 km) |
