| Williston to Cividale del Friuli | 4,901.31 mi (7,887.90 km) |
| Williston to Civita Castellana | 5,074.42 mi (8,166.49 km) |
| Williston to Civitanova Marche | 5,061.80 mi (8,146.18 km) |
| Williston to Civitavecchia | 5,065.41 mi (8,151.98 km) |
| Williston to Civitella in Val di Chiana | 4,992.14 mi (8,034.07 km) |
| Williston to Clusone | 4,805.75 mi (7,734.11 km) |
| Williston to Coccaglio | 4,823.41 mi (7,762.54 km) |
| Williston to Codigoro | 4,928.95 mi (7,932.37 km) |
| Williston to Codogno | 4,835.92 mi (7,782.66 km) |
| Williston to Codroipo | 4,894.98 mi (7,877.71 km) |
| Williston to Cogoleto | 4,842.24 mi (7,792.84 km) |
| Williston to Colle di Val d'Elsa | 4,974.44 mi (8,005.59 km) |
| Williston to Colle Salvetti | 4,943.00 mi (7,954.98 km) |
| Williston to Collecchio | 4,873.71 mi (7,843.48 km) |
| Williston to Colleferro | 5,124.24 mi (8,246.67 km) |
