| Pottstown to Castelfidardo | 4,360.38 mi (7,017.35 km) |
| Pottstown to Castelfiorentino | 4,244.28 mi (6,830.52 km) |
| Pottstown to Castelfranco di Sopra | 4,269.11 mi (6,870.47 km) |
| Pottstown to Castelfranco di Sotto | 4,231.45 mi (6,809.86 km) |
| Pottstown to Castelfranco Emilia | 4,213.97 mi (6,781.73 km) |
| Pottstown to Castelfranco Veneto | 4,215.13 mi (6,783.59 km) |
| Pottstown to Castellabate | 4,538.79 mi (7,304.48 km) |
| Pottstown to Castellammare del Golfo | 4,530.76 mi (7,291.55 km) |
| Pottstown to Castellammare di Stabia | 4,502.33 mi (7,245.80 km) |
| Pottstown to Castellamonte | 4,044.55 mi (6,509.08 km) |
| Pottstown to Castellana Grotte | 4,612.56 mi (7,423.20 km) |
| Pottstown to Castellaneta | 4,612.07 mi (7,422.41 km) |
| Pottstown to Castellanza | 4,088.07 mi (6,579.12 km) |
| Pottstown to Castellarano | 4,203.43 mi (6,764.76 km) |
| Pottstown to Castelleone | 4,135.32 mi (6,655.16 km) |
