| Half Moon Bay to Castelfidardo | 6,201.80 mi (9,980.83 km) |
| Half Moon Bay to Castelfiorentino | 6,121.15 mi (9,851.04 km) |
| Half Moon Bay to Castelfranco di Sopra | 6,136.80 mi (9,876.23 km) |
| Half Moon Bay to Castelfranco di Sotto | 6,109.25 mi (9,831.89 km) |
| Half Moon Bay to Castelfranco Emilia | 6,067.34 mi (9,764.45 km) |
| Half Moon Bay to Castelfranco Veneto | 6,031.26 mi (9,706.38 km) |
| Half Moon Bay to Castellabate | 6,425.78 mi (10,341.29 km) |
| Half Moon Bay to Castellammare del Golfo | 6,494.94 mi (10,452.60 km) |
| Half Moon Bay to Castellammare di Stabia | 6,388.19 mi (10,280.80 km) |
| Half Moon Bay to Castellamonte | 5,926.94 mi (9,538.49 km) |
| Half Moon Bay to Castellana Grotte | 6,451.48 mi (10,382.65 km) |
| Half Moon Bay to Castellaneta | 6,459.96 mi (10,396.30 km) |
| Half Moon Bay to Castellanza | 5,948.68 mi (9,573.48 km) |
| Half Moon Bay to Castellarano | 6,061.38 mi (9,754.84 km) |
| Half Moon Bay to Castelleone | 5,991.28 mi (9,642.04 km) |
