| Greensboro to Cocentaina | 4,214.79 mi (6,783.05 km) |
| Greensboro to Coin | 4,059.50 mi (6,533.13 km) |
| Greensboro to Colindres | 3,945.90 mi (6,350.31 km) |
| Greensboro to Collado-Villalba | 3,988.88 mi (6,419.48 km) |
| Greensboro to Colmenar Viejo | 3,999.99 mi (6,437.35 km) |
| Greensboro to Colmenarejo | 3,990.35 mi (6,421.84 km) |
| Greensboro to Conil de la Frontera | 4,002.95 mi (6,442.13 km) |
| Greensboro to Consuegra | 4,039.53 mi (6,501.00 km) |
| Greensboro to Corbera de Llobregat | 4,251.78 mi (6,842.59 km) |
| Greensboro to Cordoba | 4,024.19 mi (6,476.31 km) |
| Greensboro to Coria del Rio | 3,976.68 mi (6,399.85 km) |
| Greensboro to Crevillente | 4,211.10 mi (6,777.11 km) |
| Greensboro to Cuarte de Huerva | 4,112.30 mi (6,618.11 km) |
| Greensboro to Cubellas | 4,245.55 mi (6,832.55 km) |
| Greensboro to Cuellar | 3,954.40 mi (6,363.99 km) |
