| Pottstown to Carmona | 3,670.34 mi (5,906.84 km) |
| Pottstown to Cartagena | 3,893.12 mi (6,265.37 km) |
| Pottstown to Cartama | 3,743.16 mi (6,024.03 km) |
| Pottstown to Cartaya | 3,601.11 mi (5,795.43 km) |
| Pottstown to Caspe | 3,824.53 mi (6,154.99 km) |
| Pottstown to Cassa de la Selva | 3,938.91 mi (6,339.07 km) |
| Pottstown to Castalla | 3,876.20 mi (6,238.14 km) |
| Pottstown to Castellbisbal | 3,910.70 mi (6,293.67 km) |
| Pottstown to Castelldefels | 3,916.58 mi (6,303.12 km) |
| Pottstown to Castello de Ampurias | 3,936.58 mi (6,335.31 km) |
| Pottstown to Castellon de la Plana | 3,862.96 mi (6,216.83 km) |
| Pottstown to Castilleja de la Cuesta | 3,652.38 mi (5,877.93 km) |
| Pottstown to Catarroja | 3,863.48 mi (6,217.68 km) |
| Pottstown to Catral | 3,883.69 mi (6,250.19 km) |
| Pottstown to Caudete | 3,857.57 mi (6,208.16 km) |
