| Sumner to Cavdir | 6,354.41 mi (10,226.44 km) |
| Sumner to Cay | 6,282.81 mi (10,111.21 km) |
| Sumner to Caybasi | 6,208.63 mi (9,991.82 km) |
| Sumner to Caycuma | 6,112.67 mi (9,837.39 km) |
| Sumner to Cayeli | 6,246.37 mi (10,052.56 km) |
| Sumner to Cayiralan | 6,305.27 mi (10,147.36 km) |
| Sumner to Cayirhan | 6,194.12 mi (9,968.47 km) |
| Sumner to Cayirli | 6,325.80 mi (10,180.39 km) |
| Sumner to Cayirova | 6,108.68 mi (9,830.97 km) |
| Sumner to Caykara | 6,264.34 mi (10,081.48 km) |
| Sumner to Cekerek | 6,251.94 mi (10,061.52 km) |
| Sumner to Cekme | 6,091.62 mi (9,803.51 km) |
| Sumner to Celtik | 6,266.76 mi (10,085.38 km) |
| Sumner to Cerkes | 6,165.49 mi (9,922.40 km) |
| Sumner to Cerkezkoy | 6,055.24 mi (9,744.97 km) |
