| Somerset to Castelfidardo | 4,300.96 mi (6,921.72 km) |
| Somerset to Castelfiorentino | 4,184.54 mi (6,734.37 km) |
| Somerset to Castelfranco di Sopra | 4,209.46 mi (6,774.46 km) |
| Somerset to Castelfranco di Sotto | 4,171.71 mi (6,713.72 km) |
| Somerset to Castelfranco Emilia | 4,154.58 mi (6,686.16 km) |
| Somerset to Castelfranco Veneto | 4,156.26 mi (6,688.86 km) |
| Somerset to Castellabate | 4,478.58 mi (7,207.58 km) |
| Somerset to Castellammare del Golfo | 4,469.69 mi (7,193.28 km) |
| Somerset to Castellammare di Stabia | 4,442.17 mi (7,148.99 km) |
| Somerset to Castellamonte | 3,984.99 mi (6,413.22 km) |
| Somerset to Castellana Grotte | 4,552.86 mi (7,327.12 km) |
| Somerset to Castellaneta | 4,552.25 mi (7,326.15 km) |
| Somerset to Castellanza | 4,028.76 mi (6,483.66 km) |
| Somerset to Castellarano | 4,143.99 mi (6,669.10 km) |
| Somerset to Castelleone | 4,076.01 mi (6,559.70 km) |
