| Clemmons to Cortona | 4,680.21 mi (7,532.07 km) |
| Clemmons to Cosenza | 5,011.12 mi (8,064.62 km) |
| Clemmons to Cossato | 4,439.72 mi (7,145.04 km) |
| Clemmons to Costa Volpino | 4,514.88 mi (7,266.00 km) |
| Clemmons to Creazzo | 4,583.60 mi (7,376.60 km) |
| Clemmons to Crema | 4,511.60 mi (7,260.72 km) |
| Clemmons to Cremona | 4,534.12 mi (7,296.96 km) |
| Clemmons to Crevalcore | 4,595.87 mi (7,396.34 km) |
| Clemmons to Crispiano | 5,006.40 mi (8,057.03 km) |
| Clemmons to Crosia | 5,024.36 mi (8,085.92 km) |
| Clemmons to Crotone | 5,058.23 mi (8,140.43 km) |
| Clemmons to Cuneo | 4,448.85 mi (7,159.73 km) |
| Clemmons to Cuorgne | 4,422.60 mi (7,117.48 km) |
| Clemmons to Cusano Milanino | 4,484.26 mi (7,216.72 km) |
| Clemmons to Cutro | 5,054.10 mi (8,133.79 km) |
