| Gloucester to Castelfidardo | 932.96 mi (1,501.45 km) |
| Gloucester to Castelfiorentino | 836.09 mi (1,345.55 km) |
| Gloucester to Castelfranco di Sopra | 855.03 mi (1,376.04 km) |
| Gloucester to Castelfranco di Sotto | 823.69 mi (1,325.60 km) |
| Gloucester to Castelfranco Emilia | 789.55 mi (1,270.65 km) |
| Gloucester to Castelfranco Veneto | 772.71 mi (1,243.56 km) |
| Gloucester to Castellabate | 1,143.60 mi (1,840.45 km) |
| Gloucester to Castellammare del Golfo | 1,203.75 mi (1,937.25 km) |
| Gloucester to Castellammare di Stabia | 1,105.63 mi (1,779.34 km) |
| Gloucester to Castellamonte | 637.19 mi (1,025.46 km) |
| Gloucester to Castellana Grotte | 1,190.09 mi (1,915.27 km) |
| Gloucester to Castellaneta | 1,194.23 mi (1,921.92 km) |
| Gloucester to Castellanza | 665.20 mi (1,070.53 km) |
| Gloucester to Castellarano | 781.54 mi (1,257.76 km) |
| Gloucester to Castelleone | 710.56 mi (1,143.54 km) |
