| Irthlingborough to Cavdir | 1,798.35 mi (2,894.17 km) |
| Irthlingborough to Cay | 1,781.81 mi (2,867.54 km) |
| Irthlingborough to Caybasi | 1,922.98 mi (3,094.74 km) |
| Irthlingborough to Caycuma | 1,698.33 mi (2,733.19 km) |
| Irthlingborough to Cayeli | 2,072.58 mi (3,335.49 km) |
| Irthlingborough to Cayiralan | 1,936.57 mi (3,116.61 km) |
| Irthlingborough to Cayirhan | 1,739.58 mi (2,799.58 km) |
| Irthlingborough to Cayirli | 2,097.20 mi (3,375.11 km) |
| Irthlingborough to Cayirova | 1,614.15 mi (2,597.73 km) |
| Irthlingborough to Caykara | 2,066.33 mi (3,325.43 km) |
| Irthlingborough to Cekerek | 1,896.88 mi (3,052.73 km) |
| Irthlingborough to Cekme | 1,597.02 mi (2,570.15 km) |
| Irthlingborough to Celtik | 1,792.37 mi (2,884.53 km) |
| Irthlingborough to Cerkes | 1,757.81 mi (2,828.91 km) |
| Irthlingborough to Cerkezkoy | 1,538.83 mi (2,476.50 km) |
