| Cheyenne to Mangualde | 4,768.30 mi (7,673.84 km) |
| Cheyenne to Marco de Canavezes | 4,728.13 mi (7,609.19 km) |
| Cheyenne to Marinha Grande | 4,753.91 mi (7,650.68 km) |
| Cheyenne to Massama | 4,780.16 mi (7,692.92 km) |
| Cheyenne to Matosinhos | 4,705.09 mi (7,572.10 km) |
| Cheyenne to Mealhada | 4,748.39 mi (7,641.80 km) |
| Cheyenne to Melgaco | 4,685.13 mi (7,539.98 km) |
| Cheyenne to Melres | 4,722.44 mi (7,600.03 km) |
| Cheyenne to Mira | 4,734.35 mi (7,619.21 km) |
| Cheyenne to Miranda do Corvo | 4,765.01 mi (7,668.54 km) |
| Cheyenne to Mirandela | 4,756.00 mi (7,654.04 km) |
| Cheyenne to Mogadouro | 4,781.56 mi (7,695.19 km) |
| Cheyenne to Moimenta da Beira | 4,758.95 mi (7,658.78 km) |
| Cheyenne to Moita | 4,797.17 mi (7,720.30 km) |
| Cheyenne to Moncao | 4,678.05 mi (7,528.59 km) |
