| Collinsville to Mangualde | 4,206.13 mi (6,769.12 km) |
| Collinsville to Marco de Canavezes | 4,169.66 mi (6,710.42 km) |
| Collinsville to Marinha Grande | 4,178.69 mi (6,724.95 km) |
| Collinsville to Massama | 4,194.49 mi (6,750.37 km) |
| Collinsville to Matosinhos | 4,144.20 mi (6,669.44 km) |
| Collinsville to Mealhada | 4,181.12 mi (6,728.86 km) |
| Collinsville to Melgaco | 4,135.06 mi (6,654.73 km) |
| Collinsville to Melres | 4,161.77 mi (6,697.72 km) |
| Collinsville to Mira | 4,166.30 mi (6,705.01 km) |
| Collinsville to Miranda do Corvo | 4,195.64 mi (6,752.22 km) |
| Collinsville to Mirandela | 4,204.68 mi (6,766.78 km) |
| Collinsville to Mogadouro | 4,230.90 mi (6,808.97 km) |
| Collinsville to Moimenta da Beira | 4,200.94 mi (6,760.75 km) |
| Collinsville to Moita | 4,211.83 mi (6,778.28 km) |
| Collinsville to Moncao | 4,126.63 mi (6,641.17 km) |
