| Castelo Branco to Corinth (Mississippi) | 4,303.21 mi (6,925.35 km) |
| Castelo Branco to Corinth (Texas) | 4,781.96 mi (7,695.82 km) |
| Castelo Branco to Cornelius (North Carolina) | 3,910.61 mi (6,293.52 km) |
| Castelo Branco to Cornelius (Oregon) | 5,321.05 mi (8,563.40 km) |
| Castelo Branco to Corning (New York) | 3,527.41 mi (5,676.83 km) |
| Castelo Branco to Corona (California) | 5,670.49 mi (9,125.78 km) |
| Castelo Branco to Coronado (California) | 5,710.07 mi (9,189.47 km) |
| Castelo Branco to Corpus Christi (Texas) | 5,014.81 mi (8,070.56 km) |
| Castelo Branco to Corsicana (Texas) | 4,795.06 mi (7,716.91 km) |
| Castelo Branco to Cortland (New York) | 3,474.16 mi (5,591.12 km) |
| Castelo Branco to Corvallis (Oregon) | 5,375.12 mi (8,650.42 km) |
| Castelo Branco to Coshocton (Ohio) | 3,807.89 mi (6,128.20 km) |
| Castelo Branco to Costa Mesa (California) | 5,694.30 mi (9,164.09 km) |
| Castelo Branco to Coto de Caza (California) | 5,683.96 mi (9,147.45 km) |
| Castelo Branco to Cottage Grove (Minnesota) | 4,169.48 mi (6,710.13 km) |
