| Gebze to Mangualde | 1,933.43 mi (3,111.55 km) |
| Gebze to Marco de Canavezes | 1,944.75 mi (3,129.78 km) |
| Gebze to Marinha Grande | 2,007.54 mi (3,230.82 km) |
| Gebze to Massama | 2,043.54 mi (3,288.76 km) |
| Gebze to Matosinhos | 1,972.73 mi (3,174.81 km) |
| Gebze to Mealhada | 1,972.14 mi (3,173.85 km) |
| Gebze to Melgaco | 1,938.36 mi (3,119.49 km) |
| Gebze to Melres | 1,959.15 mi (3,152.95 km) |
| Gebze to Mira | 1,985.84 mi (3,195.90 km) |
| Gebze to Miranda do Corvo | 1,970.77 mi (3,171.64 km) |
| Gebze to Mirandela | 1,891.39 mi (3,043.90 km) |
| Gebze to Mogadouro | 1,869.73 mi (3,009.04 km) |
| Gebze to Moimenta da Beira | 1,920.33 mi (3,090.47 km) |
| Gebze to Moita | 2,030.56 mi (3,267.88 km) |
| Gebze to Moncao | 1,949.65 mi (3,137.66 km) |
