| Willimantic to Mangualde | 3,271.57 mi (5,265.09 km) |
| Willimantic to Marco de Canavezes | 3,237.05 mi (5,209.52 km) |
| Willimantic to Marinha Grande | 3,238.85 mi (5,212.42 km) |
| Willimantic to Massama | 3,250.53 mi (5,231.22 km) |
| Willimantic to Matosinhos | 3,210.71 mi (5,167.14 km) |
| Willimantic to Mealhada | 3,244.55 mi (5,221.60 km) |
| Willimantic to Melgaco | 3,206.66 mi (5,160.63 km) |
| Willimantic to Melres | 3,228.23 mi (5,195.34 km) |
| Willimantic to Mira | 3,229.51 mi (5,197.39 km) |
| Willimantic to Miranda do Corvo | 3,258.07 mi (5,243.36 km) |
| Willimantic to Mirandela | 3,275.05 mi (5,270.69 km) |
| Willimantic to Mogadouro | 3,301.34 mi (5,312.99 km) |
| Willimantic to Moimenta da Beira | 3,268.27 mi (5,259.77 km) |
| Willimantic to Moita | 3,267.89 mi (5,259.16 km) |
| Willimantic to Moncao | 3,197.67 mi (5,146.15 km) |
