| Risca to Chickasha (Oklahoma) | 4,559.15 mi (7,337.24 km) |
| Risca to Chico (California) | 5,128.67 mi (8,253.80 km) |
| Risca to Chicopee (Massachusetts) | 3,217.14 mi (5,177.49 km) |
| Risca to Chillicothe (Ohio) | 3,763.88 mi (6,057.37 km) |
| Risca to Chillum (Maryland) | 3,536.09 mi (5,690.79 km) |
| Risca to Chino (California) | 5,324.30 mi (8,568.63 km) |
| Risca to Chino Hills (California) | 5,328.14 mi (8,574.81 km) |
| Risca to Chino Valley (Arizona) | 5,102.97 mi (8,212.44 km) |
| Risca to Chippewa Falls (Wisconsin) | 3,833.54 mi (6,169.49 km) |
| Risca to Choctaw (Oklahoma) | 4,510.78 mi (7,259.40 km) |
| Risca to Chowchilla (California) | 5,230.64 mi (8,417.90 km) |
| Risca to Christiansburg (Virginia) | 3,759.48 mi (6,050.30 km) |
| Risca to Chubbuck (Idaho) | 4,662.59 mi (7,503.71 km) |
| Risca to Chula Vista (California) | 5,378.78 mi (8,656.31 km) |
| Risca to Cibolo (Texas) | 4,851.37 mi (7,807.53 km) |
