| Tuttlingen to Marco de Canavezes | 955.39 mi (1,537.55 km) |
| Tuttlingen to Marinha Grande | 1,047.85 mi (1,686.34 km) |
| Tuttlingen to Massama | 1,105.88 mi (1,779.74 km) |
| Tuttlingen to Matosinhos | 978.86 mi (1,575.32 km) |
| Tuttlingen to Mealhada | 1,000.75 mi (1,610.55 km) |
| Tuttlingen to Melgaco | 924.81 mi (1,488.34 km) |
| Tuttlingen to Melres | 970.67 mi (1,562.13 km) |
| Tuttlingen to Mira | 1,010.55 mi (1,626.32 km) |
| Tuttlingen to Miranda do Corvo | 1,007.91 mi (1,622.08 km) |
| Tuttlingen to Mirandela | 902.31 mi (1,452.13 km) |
| Tuttlingen to Mogadouro | 888.91 mi (1,430.56 km) |
| Tuttlingen to Moimenta da Beira | 940.96 mi (1,514.33 km) |
| Tuttlingen to Moita | 1,098.96 mi (1,768.61 km) |
| Tuttlingen to Moncao | 935.69 mi (1,505.84 km) |
| Tuttlingen to Montalegre | 915.18 mi (1,472.84 km) |
