| Pottstown to Cadiz | 3,666.24 mi (5,900.24 km) |
| Pottstown to Calafell | 3,900.17 mi (6,276.71 km) |
| Pottstown to Calahorra | 3,702.98 mi (5,959.37 km) |
| Pottstown to Calasparra | 3,838.27 mi (6,177.10 km) |
| Pottstown to Calatayud | 3,746.16 mi (6,028.87 km) |
| Pottstown to Caldas de Montbuy | 3,914.41 mi (6,299.63 km) |
| Pottstown to Caldas de Reyes | 3,381.55 mi (5,442.08 km) |
| Pottstown to Calella | 3,937.79 mi (6,337.26 km) |
| Pottstown to Callosa de Segura | 3,881.27 mi (6,246.30 km) |
| Pottstown to Calpe | 3,908.90 mi (6,290.76 km) |
| Pottstown to Calvia | 3,995.90 mi (6,430.78 km) |
| Pottstown to Camas | 3,652.64 mi (5,878.35 km) |
| Pottstown to Cambados | 3,376.46 mi (5,433.89 km) |
| Pottstown to Cambre | 3,379.05 mi (5,438.06 km) |
| Pottstown to Cambrils | 3,880.45 mi (6,244.98 km) |
