| Clemson to Castelletto sopra Ticino | 4,619.95 mi (7,435.09 km) |
| Clemson to Castelli Calepio | 4,677.05 mi (7,526.98 km) |
| Clemson to Castelnovo ne' Monti | 4,737.27 mi (7,623.90 km) |
| Clemson to Castelnuovo Berardenga | 4,821.47 mi (7,759.40 km) |
| Clemson to Castelnuovo di Porto | 4,906.79 mi (7,896.72 km) |
| Clemson to Castelnuovo di Verona | 4,720.62 mi (7,597.10 km) |
| Clemson to Castelnuovo Rangone | 4,756.61 mi (7,655.02 km) |
| Clemson to Castelvetrano | 5,077.23 mi (8,171.01 km) |
| Clemson to Castelvetro di Modena | 4,758.97 mi (7,658.83 km) |
| Clemson to Castenaso | 4,781.19 mi (7,694.58 km) |
| Clemson to Castenedolo | 4,699.27 mi (7,562.75 km) |
| Clemson to Castiglion Fiorentino | 4,839.76 mi (7,788.85 km) |
| Clemson to Castiglione del Lago | 4,852.38 mi (7,809.15 km) |
| Clemson to Castiglione delle Stiviere | 4,710.26 mi (7,580.43 km) |
| Clemson to Castrolibero | 5,173.49 mi (8,325.93 km) |
