| Port Huron to Cermik | 5,753.98 mi (9,260.13 km) |
| Port Huron to Cesme | 5,265.60 mi (8,474.17 km) |
| Port Huron to Ceyhan | 5,685.81 mi (9,150.43 km) |
| Port Huron to Ceylanpinar | 5,844.19 mi (9,405.31 km) |
| Port Huron to Cicekdagi | 5,501.52 mi (8,853.85 km) |
| Port Huron to Cide | 5,335.10 mi (8,586.01 km) |
| Port Huron to Cifteler | 5,391.70 mi (8,677.10 km) |
| Port Huron to Ciftlik | 5,578.75 mi (8,978.13 km) |
| Port Huron to Ciftlikkoy | 5,265.18 mi (8,473.48 km) |
| Port Huron to Cihanbeyli | 5,497.32 mi (8,847.08 km) |
| Port Huron to Cildir | 5,710.73 mi (9,190.54 km) |
| Port Huron to Cilimli | 5,315.96 mi (8,555.21 km) |
| Port Huron to Cinar | 5,808.98 mi (9,348.65 km) |
| Port Huron to Cinarcik | 5,258.61 mi (8,462.91 km) |
| Port Huron to Cine | 5,368.13 mi (8,639.17 km) |
