| Tucson to Cascais | 5,415.39 mi (8,715.23 km) |
| Tucson to Castelo Branco | 5,460.35 mi (8,787.59 km) |
| Tucson to Castro Daire | 5,400.67 mi (8,691.54 km) |
| Tucson to Celorico de Basto | 5,379.81 mi (8,657.97 km) |
| Tucson to Chamusca | 5,433.74 mi (8,744.77 km) |
| Tucson to Chaves | 5,389.58 mi (8,673.68 km) |
| Tucson to Cinfaes | 5,384.46 mi (8,665.44 km) |
| Tucson to Coimbra | 5,404.25 mi (8,697.31 km) |
| Tucson to Condeixa-a-Nova | 5,404.59 mi (8,697.84 km) |
| Tucson to Corroios | 5,430.67 mi (8,739.83 km) |
| Tucson to Coruche | 5,446.38 mi (8,765.10 km) |
| Tucson to Costa de Caparica | 5,425.70 mi (8,731.82 km) |
| Tucson to Covilha | 5,442.83 mi (8,759.39 km) |
| Tucson to Eiras | 5,403.34 mi (8,695.83 km) |
| Tucson to Elvas | 5,511.90 mi (8,870.54 km) |
