| Upminster to Cermik | 2,099.43 mi (3,378.70 km) |
| Upminster to Cesme | 1,554.47 mi (2,501.68 km) |
| Upminster to Ceyhan | 1,996.87 mi (3,213.66 km) |
| Upminster to Ceylanpinar | 2,181.70 mi (3,511.10 km) |
| Upminster to Cicekdagi | 1,824.16 mi (2,935.70 km) |
| Upminster to Cide | 1,671.06 mi (2,689.30 km) |
| Upminster to Cifteler | 1,694.43 mi (2,726.92 km) |
| Upminster to Ciftlik | 1,890.38 mi (3,042.28 km) |
| Upminster to Ciftlikkoy | 1,568.31 mi (2,523.95 km) |
| Upminster to Cihanbeyli | 1,804.24 mi (2,903.65 km) |
| Upminster to Cildir | 2,132.92 mi (3,432.60 km) |
| Upminster to Cilimli | 1,629.46 mi (2,622.35 km) |
| Upminster to Cinar | 2,158.17 mi (3,473.25 km) |
| Upminster to Cinarcik | 1,560.75 mi (2,511.79 km) |
| Upminster to Cine | 1,657.29 mi (2,667.14 km) |
