| Duffel to Cay | 1,546.51 mi (2,488.87 km) |
| Duffel to Caybasi | 1,691.93 mi (2,722.90 km) |
| Duffel to Caycuma | 1,464.42 mi (2,356.75 km) |
| Duffel to Cayeli | 1,844.76 mi (2,968.86 km) |
| Duffel to Cayiralan | 1,702.67 mi (2,740.19 km) |
| Duffel to Cayirhan | 1,504.62 mi (2,421.45 km) |
| Duffel to Cayirli | 1,866.76 mi (3,004.26 km) |
| Duffel to Cayirova | 1,378.95 mi (2,219.20 km) |
| Duffel to Caykara | 1,837.48 mi (2,957.15 km) |
| Duffel to Cekerek | 1,663.57 mi (2,677.26 km) |
| Duffel to Cekme | 1,361.84 mi (2,191.66 km) |
| Duffel to Celtik | 1,557.12 mi (2,505.93 km) |
| Duffel to Cerkes | 1,523.77 mi (2,452.27 km) |
| Duffel to Cerkezkoy | 1,303.55 mi (2,097.85 km) |
| Duffel to Cermik | 1,912.84 mi (3,078.41 km) |
