| Hillsborough to Castelletto sopra Ticino | 4,020.69 mi (6,470.67 km) |
| Hillsborough to Castelli Calepio | 4,077.53 mi (6,562.15 km) |
| Hillsborough to Castelnovo ne' Monti | 4,138.49 mi (6,660.26 km) |
| Hillsborough to Castelnuovo Berardenga | 4,223.25 mi (6,796.66 km) |
| Hillsborough to Castelnuovo di Porto | 4,309.34 mi (6,935.22 km) |
| Hillsborough to Castelnuovo di Verona | 4,121.02 mi (6,632.13 km) |
| Hillsborough to Castelnuovo Rangone | 4,157.58 mi (6,690.97 km) |
| Hillsborough to Castelvetrano | 4,485.55 mi (7,218.79 km) |
| Hillsborough to Castelvetro di Modena | 4,159.97 mi (6,694.83 km) |
| Hillsborough to Castenaso | 4,182.03 mi (6,730.32 km) |
| Hillsborough to Castenedolo | 4,099.76 mi (6,597.93 km) |
| Hillsborough to Castiglion Fiorentino | 4,241.40 mi (6,825.87 km) |
| Hillsborough to Castiglione del Lago | 4,254.15 mi (6,846.39 km) |
| Hillsborough to Castiglione delle Stiviere | 4,110.75 mi (6,615.61 km) |
| Hillsborough to Castrolibero | 4,577.19 mi (7,366.27 km) |
