| Clemson to Corato | 5,114.20 mi (8,230.52 km) |
| Clemson to Corbetta | 4,639.96 mi (7,467.30 km) |
| Clemson to Corciano | 4,862.89 mi (7,826.07 km) |
| Clemson to Cordenons | 4,784.53 mi (7,699.96 km) |
| Clemson to Cori | 4,942.13 mi (7,953.59 km) |
| Clemson to Coriano | 4,848.28 mi (7,802.56 km) |
| Clemson to Corigliano Calabro | 5,177.10 mi (8,331.74 km) |
| Clemson to Corleone | 5,096.02 mi (8,201.26 km) |
| Clemson to Cormano | 4,648.15 mi (7,480.47 km) |
| Clemson to Cornaredo | 4,643.96 mi (7,473.73 km) |
| Clemson to Cornate d'Adda | 4,657.92 mi (7,496.19 km) |
| Clemson to Cornedo Vicentino | 4,739.55 mi (7,627.57 km) |
| Clemson to Correggio | 4,742.85 mi (7,632.89 km) |
| Clemson to Corridonia | 4,912.72 mi (7,906.26 km) |
| Clemson to Corsico | 4,649.65 mi (7,482.89 km) |
