| Castelo Branco to Chickasha (Oklahoma) | 4,748.86 mi (7,642.56 km) |
| Castelo Branco to Chico (California) | 5,556.66 mi (8,942.58 km) |
| Castelo Branco to Chicopee (Massachusetts) | 3,312.67 mi (5,331.22 km) |
| Castelo Branco to Chillicothe (Ohio) | 3,890.57 mi (6,261.27 km) |
| Castelo Branco to Chillum (Maryland) | 3,611.04 mi (5,811.41 km) |
| Castelo Branco to Chino (California) | 5,668.91 mi (9,123.23 km) |
| Castelo Branco to Chino Hills (California) | 5,672.97 mi (9,129.76 km) |
| Castelo Branco to Chino Valley (Arizona) | 5,410.41 mi (8,707.21 km) |
| Castelo Branco to Chippewa Falls (Wisconsin) | 4,099.05 mi (6,596.78 km) |
| Castelo Branco to Choctaw (Oklahoma) | 4,700.03 mi (7,563.97 km) |
| Castelo Branco to Chowchilla (California) | 5,623.90 mi (9,050.79 km) |
| Castelo Branco to Christiansburg (Virginia) | 3,833.66 mi (6,169.68 km) |
| Castelo Branco to Chubbuck (Idaho) | 5,049.92 mi (8,127.06 km) |
| Castelo Branco to Chula Vista (California) | 5,705.61 mi (9,182.29 km) |
| Castelo Branco to Cibolo (Texas) | 4,980.47 mi (8,015.29 km) |
