| Johnstown to Mangualde | 3,630.67 mi (5,843.00 km) |
| Johnstown to Marco de Canavezes | 3,595.66 mi (5,786.66 km) |
| Johnstown to Marinha Grande | 3,599.13 mi (5,792.24 km) |
| Johnstown to Massama | 3,611.65 mi (5,812.39 km) |
| Johnstown to Matosinhos | 3,569.53 mi (5,744.60 km) |
| Johnstown to Mealhada | 3,604.10 mi (5,800.25 km) |
| Johnstown to Melgaco | 3,564.20 mi (5,736.03 km) |
| Johnstown to Melres | 3,587.07 mi (5,772.82 km) |
| Johnstown to Mira | 3,589.11 mi (5,776.11 km) |
| Johnstown to Miranda do Corvo | 3,617.86 mi (5,822.39 km) |
| Johnstown to Mirandela | 3,632.94 mi (5,846.66 km) |
| Johnstown to Mogadouro | 3,659.23 mi (5,888.95 km) |
| Johnstown to Moimenta da Beira | 3,626.91 mi (5,836.95 km) |
| Johnstown to Moita | 3,629.02 mi (5,840.34 km) |
| Johnstown to Moncao | 3,555.35 mi (5,721.78 km) |
