| Gartringen to Marco de Canavezes | 977.28 mi (1,572.79 km) |
| Gartringen to Marinha Grande | 1,071.80 mi (1,724.89 km) |
| Gartringen to Massama | 1,131.25 mi (1,820.57 km) |
| Gartringen to Matosinhos | 1,000.05 mi (1,609.43 km) |
| Gartringen to Mealhada | 1,024.03 mi (1,648.02 km) |
| Gartringen to Melgaco | 944.28 mi (1,519.67 km) |
| Gartringen to Melres | 992.51 mi (1,597.29 km) |
| Gartringen to Mira | 1,033.36 mi (1,663.03 km) |
| Gartringen to Miranda do Corvo | 1,031.93 mi (1,660.73 km) |
| Gartringen to Mirandela | 924.76 mi (1,488.26 km) |
| Gartringen to Mogadouro | 912.36 mi (1,468.30 km) |
| Gartringen to Moimenta da Beira | 964.02 mi (1,551.44 km) |
| Gartringen to Moita | 1,124.88 mi (1,810.32 km) |
| Gartringen to Moncao | 955.00 mi (1,536.93 km) |
| Gartringen to Montalegre | 935.99 mi (1,506.33 km) |
