| Hard to Chickasha (Oklahoma) | 5,195.13 mi (8,360.76 km) |
| Hard to Chico (California) | 5,713.53 mi (9,195.03 km) |
| Hard to Chicopee (Massachusetts) | 3,854.08 mi (6,202.54 km) |
| Hard to Chillicothe (Ohio) | 4,402.37 mi (7,084.93 km) |
| Hard to Chillum (Maryland) | 4,172.53 mi (6,715.05 km) |
| Hard to Chino (California) | 5,932.88 mi (9,548.05 km) |
| Hard to Chino Hills (California) | 5,936.64 mi (9,554.10 km) |
| Hard to Chino Valley (Arizona) | 5,721.25 mi (9,207.47 km) |
| Hard to Chippewa Falls (Wisconsin) | 4,464.33 mi (7,184.65 km) |
| Hard to Choctaw (Oklahoma) | 5,146.88 mi (8,283.11 km) |
| Hard to Chowchilla (California) | 5,826.21 mi (9,376.38 km) |
| Hard to Christiansburg (Virginia) | 4,396.30 mi (7,075.15 km) |
| Hard to Chubbuck (Idaho) | 5,264.12 mi (8,471.78 km) |
| Hard to Chula Vista (California) | 5,991.35 mi (9,642.15 km) |
| Hard to Cibolo (Texas) | 5,489.70 mi (8,834.82 km) |
