| Willow Grove to Cividale del Friuli | 4,245.53 mi (6,832.53 km) |
| Willow Grove to Civita Castellana | 4,333.78 mi (6,974.54 km) |
| Willow Grove to Civitanova Marche | 4,355.77 mi (7,009.94 km) |
| Willow Grove to Civitavecchia | 4,313.83 mi (6,942.44 km) |
| Willow Grove to Civitella in Val di Chiana | 4,264.35 mi (6,862.81 km) |
| Willow Grove to Clusone | 4,106.02 mi (6,608.00 km) |
| Willow Grove to Coccaglio | 4,117.57 mi (6,626.59 km) |
| Willow Grove to Codigoro | 4,233.10 mi (6,812.52 km) |
| Willow Grove to Codogno | 4,118.95 mi (6,628.80 km) |
| Willow Grove to Codroipo | 4,231.24 mi (6,809.52 km) |
| Willow Grove to Cogoleto | 4,098.07 mi (6,595.20 km) |
| Willow Grove to Colle di Val d'Elsa | 4,239.51 mi (6,822.83 km) |
| Willow Grove to Colle Salvetti | 4,204.35 mi (6,766.24 km) |
| Willow Grove to Collecchio | 4,154.40 mi (6,685.87 km) |
| Willow Grove to Colleferro | 4,380.51 mi (7,049.75 km) |
