| Clemson to Cassina de' Pecchi | 4,657.81 mi (7,496.03 km) |
| Clemson to Cassino | 4,988.16 mi (8,027.66 km) |
| Clemson to Castagneto Carducci | 4,787.64 mi (7,704.97 km) |
| Clemson to Castano Primo | 4,630.88 mi (7,452.69 km) |
| Clemson to Castel Bolognese | 4,801.86 mi (7,727.85 km) |
| Clemson to Castel Gandolfo | 4,926.94 mi (7,929.15 km) |
| Clemson to Castel Goffredo | 4,712.48 mi (7,584.00 km) |
| Clemson to Castel Maggiore | 4,774.81 mi (7,684.31 km) |
| Clemson to Castel Mella | 4,692.03 mi (7,551.09 km) |
| Clemson to Castel San Giorgio | 5,052.40 mi (8,131.05 km) |
| Clemson to Castel San Giovanni | 4,675.45 mi (7,524.41 km) |
| Clemson to Castel San Pietro Terme | 4,789.71 mi (7,708.29 km) |
| Clemson to Castel Volturno | 5,007.88 mi (8,059.41 km) |
| Clemson to Castelbuono | 5,128.86 mi (8,254.11 km) |
| Clemson to Casteldaccia | 5,098.39 mi (8,205.07 km) |
