| Upminster to Cavdir | 1,743.45 mi (2,805.81 km) |
| Upminster to Cay | 1,729.49 mi (2,783.34 km) |
| Upminster to Caybasi | 1,878.74 mi (3,023.53 km) |
| Upminster to Caycuma | 1,650.59 mi (2,656.36 km) |
| Upminster to Cayeli | 2,031.22 mi (3,268.94 km) |
| Upminster to Cayiralan | 1,888.82 mi (3,039.76 km) |
| Upminster to Cayirhan | 1,689.65 mi (2,719.23 km) |
| Upminster to Cayirli | 2,053.55 mi (3,304.87 km) |
| Upminster to Cayirova | 1,563.28 mi (2,515.86 km) |
| Upminster to Caykara | 2,024.12 mi (3,257.51 km) |
| Upminster to Cekerek | 1,850.01 mi (2,977.31 km) |
| Upminster to Cekme | 1,546.28 mi (2,488.49 km) |
| Upminster to Celtik | 1,741.17 mi (2,802.14 km) |
| Upminster to Cerkes | 1,709.85 mi (2,751.74 km) |
| Upminster to Cerkezkoy | 1,487.43 mi (2,393.79 km) |
