| Pottstown to Cividale del Friuli | 4,263.05 mi (6,860.71 km) |
| Pottstown to Civita Castellana | 4,352.88 mi (7,005.29 km) |
| Pottstown to Civitanova Marche | 4,374.30 mi (7,039.75 km) |
| Pottstown to Civitavecchia | 4,333.10 mi (6,973.46 km) |
| Pottstown to Civitella in Val di Chiana | 4,283.16 mi (6,893.08 km) |
| Pottstown to Clusone | 4,124.14 mi (6,637.16 km) |
| Pottstown to Coccaglio | 4,135.82 mi (6,655.95 km) |
| Pottstown to Codigoro | 4,251.31 mi (6,841.82 km) |
| Pottstown to Codogno | 4,137.39 mi (6,658.49 km) |
| Pottstown to Codroipo | 4,248.88 mi (6,837.90 km) |
| Pottstown to Cogoleto | 4,116.97 mi (6,625.62 km) |
| Pottstown to Colle di Val d'Elsa | 4,258.41 mi (6,853.25 km) |
| Pottstown to Colle Salvetti | 4,223.28 mi (6,796.71 km) |
| Pottstown to Collecchio | 4,172.93 mi (6,715.69 km) |
| Pottstown to Colleferro | 4,399.72 mi (7,080.67 km) |
