| Greensboro to Cortona | 4,652.92 mi (7,488.15 km) |
| Greensboro to Cosenza | 4,983.32 mi (8,019.88 km) |
| Greensboro to Cossato | 4,412.66 mi (7,101.49 km) |
| Greensboro to Costa Volpino | 4,488.09 mi (7,222.88 km) |
| Greensboro to Creazzo | 4,556.87 mi (7,333.57 km) |
| Greensboro to Crema | 4,484.64 mi (7,217.32 km) |
| Greensboro to Cremona | 4,507.13 mi (7,253.52 km) |
| Greensboro to Crevalcore | 4,568.87 mi (7,352.89 km) |
| Greensboro to Crispiano | 4,979.02 mi (8,012.96 km) |
| Greensboro to Crosia | 4,996.68 mi (8,041.37 km) |
| Greensboro to Crotone | 5,030.48 mi (8,095.77 km) |
| Greensboro to Cuneo | 4,421.40 mi (7,115.56 km) |
| Greensboro to Cuorgne | 4,395.44 mi (7,073.77 km) |
| Greensboro to Cusano Milanino | 4,457.30 mi (7,173.33 km) |
| Greensboro to Cutro | 5,026.32 mi (8,089.09 km) |
