| Castelo Branco to Centralia (Illinois) | 4,207.68 mi (6,771.60 km) |
| Castelo Branco to Centralia (Washington) | 5,259.94 mi (8,465.06 km) |
| Castelo Branco to Centreville (Virginia) | 3,637.19 mi (5,853.49 km) |
| Castelo Branco to Ceres (California) | 5,628.95 mi (9,058.92 km) |
| Castelo Branco to Cerritos (California) | 5,691.21 mi (9,159.11 km) |
| Castelo Branco to Chalco (Nebraska) | 4,435.07 mi (7,137.55 km) |
| Castelo Branco to Chalmette (Louisiana) | 4,559.50 mi (7,337.81 km) |
| Castelo Branco to Chambersburg (Pennsylvania) | 3,616.45 mi (5,820.11 km) |
| Castelo Branco to Chamblee (Georgia) | 4,133.72 mi (6,652.58 km) |
| Castelo Branco to Champaign (Illinois) | 4,114.64 mi (6,621.87 km) |
| Castelo Branco to Champlin (Minnesota) | 4,177.82 mi (6,723.55 km) |
| Castelo Branco to Chandler (Arizona) | 5,452.62 mi (8,775.14 km) |
| Castelo Branco to Chanhassen (Minnesota) | 4,195.57 mi (6,752.12 km) |
| Castelo Branco to Channahon (Illinois) | 4,071.50 mi (6,552.45 km) |
| Castelo Branco to Channelview (Texas) | 4,820.21 mi (7,757.37 km) |
