| Cheyenne to Montalegre | 4,716.80 mi (7,590.95 km) |
| Cheyenne to Montemor-o-Novo | 4,830.20 mi (7,773.45 km) |
| Cheyenne to Montemor-o-Velho | 4,747.42 mi (7,640.23 km) |
| Cheyenne to Montijo | 4,799.38 mi (7,723.86 km) |
| Cheyenne to Mortagua | 4,755.49 mi (7,653.22 km) |
| Cheyenne to Moura | 4,884.87 mi (7,861.44 km) |
| Cheyenne to Murtosa | 4,726.28 mi (7,606.22 km) |
| Cheyenne to Nazare | 4,754.38 mi (7,651.43 km) |
| Cheyenne to Nelas | 4,768.19 mi (7,673.66 km) |
| Cheyenne to Obidos | 4,760.42 mi (7,661.16 km) |
| Cheyenne to Odemira | 4,856.78 mi (7,816.23 km) |
| Cheyenne to Odivelas | 4,782.88 mi (7,697.31 km) |
| Cheyenne to Oeiras | 4,781.38 mi (7,694.89 km) |
| Cheyenne to Olhao | 4,914.77 mi (7,909.56 km) |
| Cheyenne to Oliveira de Azemeis | 4,728.58 mi (7,609.91 km) |
