| Hillsborough to Castelfidardo | 4,307.52 mi (6,932.29 km) |
| Hillsborough to Castelfiorentino | 4,191.18 mi (6,745.05 km) |
| Hillsborough to Castelfranco di Sopra | 4,216.07 mi (6,785.12 km) |
| Hillsborough to Castelfranco di Sotto | 4,178.35 mi (6,724.40 km) |
| Hillsborough to Castelfranco Emilia | 4,161.14 mi (6,696.71 km) |
| Hillsborough to Castelfranco Veneto | 4,162.71 mi (6,699.23 km) |
| Hillsborough to Castellabate | 4,485.33 mi (7,218.44 km) |
| Hillsborough to Castellammare del Golfo | 4,476.66 mi (7,204.48 km) |
| Hillsborough to Castellammare di Stabia | 4,448.91 mi (7,159.83 km) |
| Hillsborough to Castellamonte | 3,991.59 mi (6,423.84 km) |
| Hillsborough to Castellana Grotte | 4,559.49 mi (7,337.79 km) |
| Hillsborough to Castellaneta | 4,558.91 mi (7,336.86 km) |
| Hillsborough to Castellanza | 4,035.30 mi (6,494.19 km) |
| Hillsborough to Castellarano | 4,150.56 mi (6,679.68 km) |
| Hillsborough to Castelleone | 4,082.55 mi (6,570.23 km) |
