| Pottstown to Butzbach | 3,930.27 mi (6,325.15 km) |
| Pottstown to Buxtehude | 3,883.96 mi (6,250.63 km) |
| Pottstown to Cadolzburg | 4,048.20 mi (6,514.96 km) |
| Pottstown to Calbe | 4,008.51 mi (6,451.07 km) |
| Pottstown to Calw | 3,984.23 mi (6,412.01 km) |
| Pottstown to Castrop-Rauxel | 3,845.37 mi (6,188.52 km) |
| Pottstown to Celle | 3,922.46 mi (6,312.60 km) |
| Pottstown to Cham | 4,126.92 mi (6,641.63 km) |
| Pottstown to Chemnitz | 4,085.64 mi (6,575.20 km) |
| Pottstown to Clausthal-Zellerfeld | 3,956.00 mi (6,366.56 km) |
| Pottstown to Cloppenburg | 3,838.41 mi (6,177.33 km) |
| Pottstown to Coburg | 4,026.92 mi (6,480.70 km) |
| Pottstown to Coesfeld | 3,828.55 mi (6,161.46 km) |
| Pottstown to Cologne | 3,847.86 mi (6,192.54 km) |
| Pottstown to Coswig | 4,101.85 mi (6,601.29 km) |
