| Cabeceiras de Basto to Carson (California) | 5,605.85 mi (9,021.74 km) |
| Cabeceiras de Basto to Carson City (Nevada) | 5,406.31 mi (8,700.62 km) |
| Cabeceiras de Basto to Carteret (New Jersey) | 3,361.30 mi (5,409.49 km) |
| Cabeceiras de Basto to Cartersville (Georgia) | 4,081.50 mi (6,568.54 km) |
| Cabeceiras de Basto to Carthage (Missouri) | 4,419.79 mi (7,112.96 km) |
| Cabeceiras de Basto to Cary (Illinois) | 3,962.26 mi (6,376.65 km) |
| Cabeceiras de Basto to Cary (North Carolina) | 3,733.05 mi (6,007.76 km) |
| Cabeceiras de Basto to Casa de Oro-Mount Helix (California) | 5,604.74 mi (9,019.96 km) |
| Cabeceiras de Basto to Casa Grande (Arizona) | 5,377.22 mi (8,653.80 km) |
| Cabeceiras de Basto to Casas Adobes (Arizona) | 5,370.67 mi (8,643.25 km) |
| Cabeceiras de Basto to Cascades (Virginia) | 3,558.28 mi (5,726.51 km) |
| Cabeceiras de Basto to Casper (Wyoming) | 4,711.21 mi (7,581.96 km) |
| Cabeceiras de Basto to Casselberry (Florida) | 4,114.77 mi (6,622.09 km) |
| Cabeceiras de Basto to Castaic (California) | 5,589.76 mi (8,995.85 km) |
| Cabeceiras de Basto to Castle Pines (Colorado) | 4,792.50 mi (7,712.78 km) |
