| Clemson to Carmignano | 4,784.43 mi (7,699.80 km) |
| Clemson to Carovigno | 5,186.63 mi (8,347.08 km) |
| Clemson to Carpenedolo | 4,708.47 mi (7,577.55 km) |
| Clemson to Carpi | 4,746.80 mi (7,639.23 km) |
| Clemson to Carrara | 4,735.69 mi (7,621.36 km) |
| Clemson to Carugate | 4,655.33 mi (7,492.02 km) |
| Clemson to Casal di Principe | 5,018.74 mi (8,076.88 km) |
| Clemson to Casale Monferrato | 4,630.45 mi (7,451.98 km) |
| Clemson to Casale sul Sile | 4,781.85 mi (7,695.65 km) |
| Clemson to Casalecchio di Reno | 4,773.96 mi (7,682.95 km) |
| Clemson to Casalgrande | 4,746.85 mi (7,639.32 km) |
| Clemson to Casalmaggiore | 4,719.97 mi (7,596.06 km) |
| Clemson to Casalnuovo di Napoli | 5,031.99 mi (8,098.20 km) |
| Clemson to Casalpusterlengo | 4,680.77 mi (7,532.97 km) |
| Clemson to Casaluce | 5,022.31 mi (8,082.62 km) |
