| Didcot to Clarkston (Georgia) | 4,150.04 mi (6,678.84 km) |
| Didcot to Clarksville (Indiana) | 3,995.49 mi (6,430.11 km) |
| Didcot to Clarksville (Tennessee) | 4,141.57 mi (6,665.21 km) |
| Didcot to Clawson (Michigan) | 3,699.19 mi (5,953.26 km) |
| Didcot to Clay (Alabama) | 4,252.04 mi (6,843.00 km) |
| Didcot to Clayton (California) | 5,291.92 mi (8,516.53 km) |
| Didcot to Clayton (Missouri) | 4,158.59 mi (6,692.60 km) |
| Didcot to Clayton (North Carolina) | 3,824.03 mi (6,154.18 km) |
| Didcot to Clayton (Ohio) | 3,866.43 mi (6,222.41 km) |
| Didcot to Clearfield (Utah) | 4,806.25 mi (7,734.91 km) |
| Didcot to Clearlake (California) | 5,253.87 mi (8,455.29 km) |
| Didcot to Clearwater (Florida) | 4,376.94 mi (7,044.00 km) |
| Didcot to Cleburne (Texas) | 4,747.63 mi (7,640.57 km) |
| Didcot to Clemmons (North Carolina) | 3,886.26 mi (6,254.34 km) |
| Didcot to Clemson (South Carolina) | 4,049.60 mi (6,517.20 km) |
