| Pottstown to Cehegin | 3,837.86 mi (6,176.44 km) |
| Pottstown to Cervello | 3,912.13 mi (6,295.97 km) |
| Pottstown to Cervera | 3,871.98 mi (6,231.35 km) |
| Pottstown to Ceuti | 3,863.73 mi (6,218.08 km) |
| Pottstown to Cheste | 3,847.76 mi (6,192.37 km) |
| Pottstown to Chiclana de la Frontera | 3,677.23 mi (5,917.94 km) |
| Pottstown to Chipiona | 3,653.37 mi (5,879.53 km) |
| Pottstown to Chiva | 3,846.34 mi (6,190.08 km) |
| Pottstown to Churriana de la Vega | 3,777.53 mi (6,079.35 km) |
| Pottstown to Ciempozuelos | 3,687.26 mi (5,934.07 km) |
| Pottstown to Cieza | 3,851.56 mi (6,198.49 km) |
| Pottstown to Cisterniga | 3,594.88 mi (5,785.40 km) |
| Pottstown to Ciudad de Melilla | 3,872.45 mi (6,232.11 km) |
| Pottstown to Ciudad Real | 3,707.97 mi (5,967.40 km) |
| Pottstown to Ciudad-Rodrigo | 3,534.81 mi (5,688.73 km) |
