| Didcot to Culpeper (Virginia) | 3,676.09 mi (5,916.09 km) |
| Didcot to Culver City (California) | 5,407.72 mi (8,702.88 km) |
| Didcot to Cumberland (Maryland) | 3,653.66 mi (5,880.00 km) |
| Didcot to Cupertino (California) | 5,331.46 mi (8,580.15 km) |
| Didcot to Cutler Bay (Florida) | 4,395.61 mi (7,074.06 km) |
| Didcot to Cutlerville (Michigan) | 3,783.05 mi (6,088.24 km) |
| Didcot to Cuyahoga Falls (Ohio) | 3,696.48 mi (5,948.91 km) |
| Didcot to Cypress (California) | 5,406.86 mi (8,701.50 km) |
| Didcot to Cypress Gardens (Florida) | 4,330.49 mi (6,969.25 km) |
| Didcot to Cypress Lake (Florida) | 4,413.14 mi (7,102.26 km) |
| Didcot to D'Iberville (Mississippi) | 4,505.55 mi (7,250.98 km) |
| Didcot to Dakota Ridge (Colorado) | 4,654.23 mi (7,490.26 km) |
| Didcot to Dale City (Virginia) | 3,641.36 mi (5,860.20 km) |
| Didcot to Dallas (Georgia) | 4,169.53 mi (6,710.21 km) |
| Didcot to Dallas (Oregon) | 4,929.15 mi (7,932.70 km) |
