| Westerville to Mangualde | 3,826.47 mi (6,158.11 km) |
| Westerville to Marco de Canavezes | 3,790.76 mi (6,100.64 km) |
| Westerville to Marinha Grande | 3,796.87 mi (6,110.48 km) |
| Westerville to Massama | 3,810.99 mi (6,133.20 km) |
| Westerville to Matosinhos | 3,764.93 mi (6,059.07 km) |
| Westerville to Mealhada | 3,800.63 mi (6,116.52 km) |
| Westerville to Melgaco | 3,757.82 mi (6,047.63 km) |
| Westerville to Melres | 3,782.49 mi (6,087.33 km) |
| Westerville to Mira | 3,785.71 mi (6,092.51 km) |
| Westerville to Miranda do Corvo | 3,814.76 mi (6,139.26 km) |
| Westerville to Mirandela | 3,827.00 mi (6,158.96 km) |
| Westerville to Mogadouro | 3,853.26 mi (6,201.23 km) |
| Westerville to Moimenta da Beira | 3,822.03 mi (6,150.97 km) |
| Westerville to Moita | 3,828.35 mi (6,161.13 km) |
| Westerville to Moncao | 3,749.16 mi (6,033.69 km) |
