| Didcot to Chickasha (Oklahoma) | 4,629.73 mi (7,450.82 km) |
| Didcot to Chico (California) | 5,183.77 mi (8,342.48 km) |
| Didcot to Chicopee (Massachusetts) | 3,292.83 mi (5,299.30 km) |
| Didcot to Chillicothe (Ohio) | 3,837.91 mi (6,176.51 km) |
| Didcot to Chillum (Maryland) | 3,612.01 mi (5,812.96 km) |
| Didcot to Chino (California) | 5,385.24 mi (8,666.71 km) |
| Didcot to Chino Hills (California) | 5,389.06 mi (8,672.86 km) |
| Didcot to Chino Valley (Arizona) | 5,166.61 mi (8,314.86 km) |
| Didcot to Chippewa Falls (Wisconsin) | 3,901.41 mi (6,278.71 km) |
| Didcot to Choctaw (Oklahoma) | 4,581.43 mi (7,373.11 km) |
| Didcot to Chowchilla (California) | 5,288.27 mi (8,510.65 km) |
| Didcot to Christiansburg (Virginia) | 3,835.19 mi (6,172.14 km) |
| Didcot to Chubbuck (Idaho) | 4,721.52 mi (7,598.55 km) |
| Didcot to Chula Vista (California) | 5,440.82 mi (8,756.15 km) |
| Didcot to Cibolo (Texas) | 4,924.16 mi (7,924.67 km) |
