| Effingham to Cavdir | 5,867.75 mi (9,443.23 km) |
| Effingham to Cay | 5,844.70 mi (9,406.14 km) |
| Effingham to Caybasi | 5,928.66 mi (9,541.25 km) |
| Effingham to Caycuma | 5,737.70 mi (9,233.93 km) |
| Effingham to Cayeli | 6,042.11 mi (9,723.83 km) |
| Effingham to Cayiralan | 5,971.65 mi (9,610.45 km) |
| Effingham to Cayirhan | 5,791.64 mi (9,320.74 km) |
| Effingham to Cayirli | 6,090.92 mi (9,802.38 km) |
| Effingham to Cayirova | 5,672.07 mi (9,128.32 km) |
| Effingham to Caykara | 6,045.71 mi (9,729.63 km) |
| Effingham to Cekerek | 5,925.92 mi (9,536.85 km) |
| Effingham to Cekme | 5,654.50 mi (9,100.04 km) |
| Effingham to Celtik | 5,850.43 mi (9,415.36 km) |
| Effingham to Cerkes | 5,797.55 mi (9,330.25 km) |
| Effingham to Cerkezkoy | 5,599.51 mi (9,011.54 km) |
