| Castelo Branco to Carlsbad (New Mexico) | 5,148.36 mi (8,285.48 km) |
| Castelo Branco to Carmel (Indiana) | 4,020.11 mi (6,469.74 km) |
| Castelo Branco to Carmichael (California) | 5,592.76 mi (9,000.67 km) |
| Castelo Branco to Carney (Maryland) | 3,576.34 mi (5,755.56 km) |
| Castelo Branco to Carnot-Moon (Pennsylvania) | 3,722.70 mi (5,991.11 km) |
| Castelo Branco to Carol Stream (Illinois) | 4,049.69 mi (6,517.35 km) |
| Castelo Branco to Carolina (Puerto Rico) | 3,753.41 mi (6,040.53 km) |
| Castelo Branco to Carolina Forest (South Carolina) | 3,868.14 mi (6,225.17 km) |
| Castelo Branco to Carpentersville (Illinois) | 4,050.43 mi (6,518.54 km) |
| Castelo Branco to Carpinteria (California) | 5,725.50 mi (9,214.30 km) |
| Castelo Branco to Carrboro (North Carolina) | 3,806.96 mi (6,126.70 km) |
| Castelo Branco to Carroll (Iowa) | 4,347.22 mi (6,996.17 km) |
| Castelo Branco to Carrollton (Georgia) | 4,183.11 mi (6,732.07 km) |
| Castelo Branco to Carrollton (Texas) | 4,780.04 mi (7,692.72 km) |
| Castelo Branco to Carrollwood (Florida) | 4,252.42 mi (6,843.61 km) |
