| Potomac to Cavdir | 5,420.02 mi (8,722.69 km) |
| Potomac to Cay | 5,410.05 mi (8,706.63 km) |
| Potomac to Caybasi | 5,533.55 mi (8,905.38 km) |
| Potomac to Caycuma | 5,323.01 mi (8,566.55 km) |
| Potomac to Cayeli | 5,664.19 mi (9,115.63 km) |
| Potomac to Cayiralan | 5,560.58 mi (8,948.88 km) |
| Potomac to Cayirhan | 5,367.91 mi (8,638.82 km) |
| Potomac to Cayirli | 5,702.79 mi (9,177.75 km) |
| Potomac to Cayirova | 5,243.04 mi (8,437.86 km) |
| Potomac to Caykara | 5,663.64 mi (9,114.75 km) |
| Potomac to Cekerek | 5,518.36 mi (8,880.94 km) |
| Potomac to Cekme | 5,225.88 mi (8,410.25 km) |
| Potomac to Celtik | 5,421.26 mi (8,724.68 km) |
| Potomac to Cerkes | 5,382.83 mi (8,662.83 km) |
| Potomac to Cerkezkoy | 5,167.68 mi (8,316.57 km) |
