| Clemmons to Cividale del Friuli | 4,647.42 mi (7,479.31 km) |
| Clemmons to Civita Castellana | 4,732.13 mi (7,615.62 km) |
| Clemmons to Civitanova Marche | 4,755.66 mi (7,653.49 km) |
| Clemmons to Civitavecchia | 4,711.68 mi (7,582.72 km) |
| Clemmons to Civitella in Val di Chiana | 4,663.55 mi (7,505.27 km) |
| Clemmons to Clusone | 4,506.83 mi (7,253.04 km) |
| Clemmons to Coccaglio | 4,518.12 mi (7,271.22 km) |
| Clemmons to Codigoro | 4,633.73 mi (7,457.26 km) |
| Clemmons to Codogno | 4,519.06 mi (7,272.72 km) |
| Clemmons to Codroipo | 4,632.93 mi (7,455.99 km) |
| Clemmons to Cogoleto | 4,497.04 mi (7,237.29 km) |
| Clemmons to Colle di Val d'Elsa | 4,638.46 mi (7,464.87 km) |
| Clemmons to Colle Salvetti | 4,603.23 mi (7,408.19 km) |
| Clemmons to Collecchio | 4,554.32 mi (7,329.46 km) |
| Clemmons to Colleferro | 4,778.54 mi (7,690.32 km) |
