| Clemson to Casamassima | 5,144.33 mi (8,279.00 km) |
| Clemson to Casandrino | 5,026.93 mi (8,090.06 km) |
| Clemson to Casapulla | 5,023.63 mi (8,084.75 km) |
| Clemson to Casarano | 5,234.60 mi (8,424.27 km) |
| Clemson to Casatenovo | 4,649.73 mi (7,483.02 km) |
| Clemson to Casciana Terme | 4,776.54 mi (7,687.10 km) |
| Clemson to Cascina | 4,768.38 mi (7,673.97 km) |
| Clemson to Caselle Torinese | 4,593.71 mi (7,392.86 km) |
| Clemson to Caserta | 5,025.85 mi (8,088.33 km) |
| Clemson to Casier | 4,778.78 mi (7,690.70 km) |
| Clemson to Casorate Primo | 4,648.99 mi (7,481.82 km) |
| Clemson to Casoria | 5,030.36 mi (8,095.58 km) |
| Clemson to Cassano al Ionio | 5,161.31 mi (8,306.32 km) |
| Clemson to Cassano d'Adda | 4,663.75 mi (7,505.58 km) |
| Clemson to Cassano delle Murge | 5,140.23 mi (8,272.40 km) |
