| Greensboro to Cividale del Friuli | 4,621.06 mi (7,436.88 km) |
| Greensboro to Civita Castellana | 4,704.63 mi (7,571.37 km) |
| Greensboro to Civitanova Marche | 4,728.56 mi (7,609.88 km) |
| Greensboro to Civitavecchia | 4,684.07 mi (7,538.28 km) |
| Greensboro to Civitella in Val di Chiana | 4,636.27 mi (7,461.35 km) |
| Greensboro to Clusone | 4,480.04 mi (7,209.92 km) |
| Greensboro to Coccaglio | 4,491.24 mi (7,227.96 km) |
| Greensboro to Codigoro | 4,606.86 mi (7,414.03 km) |
| Greensboro to Codogno | 4,492.04 mi (7,229.24 km) |
| Greensboro to Codroipo | 4,606.48 mi (7,413.41 km) |
| Greensboro to Cogoleto | 4,469.70 mi (7,193.29 km) |
| Greensboro to Colle di Val d'Elsa | 4,611.11 mi (7,420.86 km) |
| Greensboro to Colle Salvetti | 4,575.87 mi (7,364.15 km) |
| Greensboro to Collecchio | 4,527.23 mi (7,285.88 km) |
| Greensboro to Colleferro | 4,750.97 mi (7,645.94 km) |
