| Princeton to Mangualde | 4,213.65 mi (6,781.22 km) |
| Princeton to Marco de Canavezes | 4,186.86 mi (6,738.11 km) |
| Princeton to Marinha Grande | 4,162.86 mi (6,699.47 km) |
| Princeton to Massama | 4,156.79 mi (6,689.70 km) |
| Princeton to Matosinhos | 4,158.64 mi (6,692.68 km) |
| Princeton to Mealhada | 4,180.61 mi (6,728.04 km) |
| Princeton to Melgaco | 4,170.63 mi (6,711.99 km) |
| Princeton to Melres | 4,175.35 mi (6,719.57 km) |
| Princeton to Mira | 4,165.34 mi (6,703.46 km) |
| Princeton to Miranda do Corvo | 4,190.02 mi (6,743.19 km) |
| Princeton to Mirandela | 4,232.88 mi (6,812.16 km) |
| Princeton to Mogadouro | 4,258.44 mi (6,853.30 km) |
| Princeton to Moimenta da Beira | 4,216.77 mi (6,786.23 km) |
| Princeton to Moita | 4,173.57 mi (6,716.71 km) |
| Princeton to Moncao | 4,160.29 mi (6,695.34 km) |
