| Castelo Branco to Culpeper (Virginia) | 3,675.40 mi (5,914.98 km) |
| Castelo Branco to Culver City (California) | 5,698.27 mi (9,170.48 km) |
| Castelo Branco to Cumberland (Maryland) | 3,677.75 mi (5,918.77 km) |
| Castelo Branco to Cupertino (California) | 5,684.68 mi (9,148.61 km) |
| Castelo Branco to Cutler Bay (Florida) | 4,232.34 mi (6,811.29 km) |
| Castelo Branco to Cutlerville (Michigan) | 3,909.03 mi (6,290.97 km) |
| Castelo Branco to Cuyahoga Falls (Ohio) | 3,765.77 mi (6,060.43 km) |
| Castelo Branco to Cypress (California) | 5,692.37 mi (9,160.98 km) |
| Castelo Branco to Cypress Gardens (Florida) | 4,211.71 mi (6,778.09 km) |
| Castelo Branco to Cypress Lake (Florida) | 4,277.38 mi (6,883.77 km) |
| Castelo Branco to D'Iberville (Mississippi) | 4,486.36 mi (7,220.10 km) |
| Castelo Branco to Dakota Ridge (Colorado) | 4,888.20 mi (7,866.80 km) |
| Castelo Branco to Dale City (Virginia) | 3,638.21 mi (5,855.13 km) |
| Castelo Branco to Dallas (Georgia) | 4,159.45 mi (6,693.99 km) |
| Castelo Branco to Dallas (Oregon) | 5,359.15 mi (8,624.71 km) |
