| Tucson to Montalegre | 5,372.60 mi (8,646.36 km) |
| Tucson to Montemor-o-Novo | 5,471.88 mi (8,806.14 km) |
| Tucson to Montemor-o-Velho | 5,394.56 mi (8,681.70 km) |
| Tucson to Montijo | 5,439.58 mi (8,754.15 km) |
| Tucson to Mortagua | 5,404.74 mi (8,698.08 km) |
| Tucson to Moura | 5,526.15 mi (8,893.47 km) |
| Tucson to Murtosa | 5,375.92 mi (8,651.70 km) |
| Tucson to Nazare | 5,398.21 mi (8,687.59 km) |
| Tucson to Nelas | 5,418.62 mi (8,720.42 km) |
| Tucson to Obidos | 5,402.99 mi (8,695.27 km) |
| Tucson to Odemira | 5,492.68 mi (8,839.62 km) |
| Tucson to Odivelas | 5,422.88 mi (8,727.29 km) |
| Tucson to Oeiras | 5,420.57 mi (8,723.57 km) |
| Tucson to Olhao | 5,550.17 mi (8,932.13 km) |
| Tucson to Oliveira de Azemeis | 5,378.99 mi (8,656.65 km) |
