| Port Huron to Cavdir | 5,453.16 mi (8,776.02 km) |
| Port Huron to Cay | 5,431.04 mi (8,740.42 km) |
| Port Huron to Caybasi | 5,519.96 mi (8,883.51 km) |
| Port Huron to Caycuma | 5,326.07 mi (8,571.49 km) |
| Port Huron to Cayeli | 5,636.50 mi (9,071.08 km) |
| Port Huron to Cayiralan | 5,560.66 mi (8,949.02 km) |
| Port Huron to Cayirhan | 5,379.01 mi (8,656.67 km) |
| Port Huron to Cayirli | 5,683.53 mi (9,146.76 km) |
| Port Huron to Cayirova | 5,258.84 mi (8,463.28 km) |
| Port Huron to Caykara | 5,639.35 mi (9,075.66 km) |
| Port Huron to Cekerek | 5,515.37 mi (8,876.12 km) |
| Port Huron to Cekme | 5,241.30 mi (8,435.05 km) |
| Port Huron to Celtik | 5,437.28 mi (8,750.45 km) |
| Port Huron to Cerkes | 5,385.96 mi (8,667.87 km) |
| Port Huron to Cerkezkoy | 5,185.98 mi (8,346.03 km) |
