| Summerville to Cortona | 4,801.71 mi (7,727.61 km) |
| Summerville to Cosenza | 5,126.64 mi (8,250.53 km) |
| Summerville to Cossato | 4,563.93 mi (7,344.94 km) |
| Summerville to Costa Volpino | 4,641.72 mi (7,470.12 km) |
| Summerville to Creazzo | 4,710.95 mi (7,581.55 km) |
| Summerville to Crema | 4,636.70 mi (7,462.05 km) |
| Summerville to Cremona | 4,658.89 mi (7,497.76 km) |
| Summerville to Crevalcore | 4,720.57 mi (7,597.03 km) |
| Summerville to Crispiano | 5,126.67 mi (8,250.57 km) |
| Summerville to Crosia | 5,141.26 mi (8,274.05 km) |
| Summerville to Crotone | 5,174.28 mi (8,327.19 km) |
| Summerville to Cuneo | 4,568.94 mi (7,353.01 km) |
| Summerville to Cuorgne | 4,545.79 mi (7,315.74 km) |
| Summerville to Cusano Milanino | 4,609.40 mi (7,418.12 km) |
| Summerville to Cutro | 5,169.84 mi (8,320.05 km) |
