| Eau Claire to Mangualde | 4,064.95 mi (6,541.91 km) |
| Eau Claire to Marco de Canavezes | 4,025.63 mi (6,478.63 km) |
| Eau Claire to Marinha Grande | 4,047.38 mi (6,513.63 km) |
| Eau Claire to Massama | 4,071.40 mi (6,552.28 km) |
| Eau Claire to Matosinhos | 4,001.91 mi (6,440.45 km) |
| Eau Claire to Mealhada | 4,043.73 mi (6,507.75 km) |
| Eau Claire to Melgaco | 3,984.75 mi (6,412.83 km) |
| Eau Claire to Melres | 4,019.36 mi (6,468.53 km) |
| Eau Claire to Mira | 4,029.47 mi (6,484.80 km) |
| Eau Claire to Miranda do Corvo | 4,059.87 mi (6,533.74 km) |
| Eau Claire to Mirandela | 4,055.47 mi (6,526.64 km) |
| Eau Claire to Mogadouro | 4,081.28 mi (6,568.18 km) |
| Eau Claire to Moimenta da Beira | 4,056.64 mi (6,528.53 km) |
| Eau Claire to Moita | 4,088.51 mi (6,579.82 km) |
| Eau Claire to Moncao | 3,977.28 mi (6,400.82 km) |
