| Greensboro to Collegno | 4,401.41 mi (7,083.39 km) |
| Greensboro to Cologno al Serio | 4,478.61 mi (7,207.62 km) |
| Greensboro to Cologno Monzese | 4,462.07 mi (7,181.01 km) |
| Greensboro to Colorno | 4,528.65 mi (7,288.16 km) |
| Greensboro to Comacchio | 4,614.13 mi (7,425.72 km) |
| Greensboro to Comiso | 4,994.36 mi (8,037.65 km) |
| Greensboro to Como | 4,445.10 mi (7,153.69 km) |
| Greensboro to Concordia Sagittaria | 4,607.47 mi (7,415.00 km) |
| Greensboro to Concorezzo | 4,462.68 mi (7,181.98 km) |
| Greensboro to Conegliano | 4,580.11 mi (7,370.97 km) |
| Greensboro to Conselice | 4,605.02 mi (7,411.07 km) |
| Greensboro to Conselve | 4,583.02 mi (7,375.66 km) |
| Greensboro to Conversano | 4,960.27 mi (7,982.79 km) |
| Greensboro to Copertino | 5,027.60 mi (8,091.14 km) |
| Greensboro to Copparo | 4,592.46 mi (7,390.85 km) |
