| Sebring to Mangualde | 4,193.74 mi (6,749.18 km) |
| Sebring to Marco de Canavezes | 4,165.44 mi (6,703.63 km) |
| Sebring to Marinha Grande | 4,145.94 mi (6,672.25 km) |
| Sebring to Massama | 4,142.93 mi (6,667.40 km) |
| Sebring to Matosinhos | 4,137.44 mi (6,658.57 km) |
| Sebring to Mealhada | 4,161.64 mi (6,697.51 km) |
| Sebring to Melgaco | 4,146.54 mi (6,673.22 km) |
| Sebring to Melres | 4,154.37 mi (6,685.81 km) |
| Sebring to Mira | 4,146.34 mi (6,672.89 km) |
| Sebring to Miranda do Corvo | 4,171.83 mi (6,713.91 km) |
| Sebring to Mirandela | 4,210.18 mi (6,775.63 km) |
| Sebring to Mogadouro | 4,235.97 mi (6,817.14 km) |
| Sebring to Moimenta da Beira | 4,195.71 mi (6,752.34 km) |
| Sebring to Moita | 4,159.89 mi (6,694.70 km) |
| Sebring to Moncao | 4,136.40 mi (6,656.90 km) |
