| Didcot to Cavdir | 1,804.04 mi (2,903.31 km) |
| Didcot to Cay | 1,791.43 mi (2,883.03 km) |
| Didcot to Caybasi | 1,942.71 mi (3,126.49 km) |
| Didcot to Caycuma | 1,714.02 mi (2,758.45 km) |
| Didcot to Cayeli | 2,095.38 mi (3,372.18 km) |
| Didcot to Cayiralan | 1,952.23 mi (3,141.81 km) |
| Didcot to Cayirhan | 1,752.50 mi (2,820.37 km) |
| Didcot to Cayirli | 2,117.58 mi (3,407.91 km) |
| Didcot to Cayirova | 1,625.83 mi (2,616.52 km) |
| Didcot to Caykara | 2,088.24 mi (3,360.70 km) |
| Didcot to Cekerek | 1,913.61 mi (3,079.65 km) |
| Didcot to Cekme | 1,608.87 mi (2,589.23 km) |
| Didcot to Celtik | 1,803.57 mi (2,902.56 km) |
| Didcot to Cerkes | 1,773.23 mi (2,853.74 km) |
| Didcot to Cerkezkoy | 1,549.79 mi (2,494.15 km) |
