| Didcot to Crest Hill (Illinois) | 3,934.57 mi (6,332.08 km) |
| Didcot to Crestview (Florida) | 4,396.74 mi (7,075.87 km) |
| Didcot to Crestwood (Illinois) | 3,916.91 mi (6,303.66 km) |
| Didcot to Crestwood (Missouri) | 4,164.67 mi (6,702.39 km) |
| Didcot to Creve Coeur (Missouri) | 4,162.09 mi (6,698.24 km) |
| Didcot to Crofton (Maryland) | 3,597.63 mi (5,789.83 km) |
| Didcot to Crossville (Tennessee) | 4,078.74 mi (6,564.09 km) |
| Didcot to Crowley (Louisiana) | 4,658.88 mi (7,497.75 km) |
| Didcot to Crowley (Texas) | 4,733.99 mi (7,618.63 km) |
| Didcot to Crown Point (Indiana) | 3,912.50 mi (6,296.56 km) |
| Didcot to Crystal (Minnesota) | 3,967.98 mi (6,385.85 km) |
| Didcot to Crystal Lake (Illinois) | 3,912.41 mi (6,296.41 km) |
| Didcot to Cudahy (California) | 5,403.23 mi (8,695.66 km) |
| Didcot to Cudahy (Wisconsin) | 3,861.70 mi (6,214.81 km) |
| Didcot to Cullman (Alabama) | 4,237.76 mi (6,820.02 km) |
