| Hartlepool to Castelfidardo | 1,019.35 mi (1,640.49 km) |
| Hartlepool to Castelfiorentino | 940.54 mi (1,513.66 km) |
| Hartlepool to Castelfranco di Sopra | 954.74 mi (1,536.50 km) |
| Hartlepool to Castelfranco di Sotto | 929.03 mi (1,495.13 km) |
| Hartlepool to Castelfranco Emilia | 884.69 mi (1,423.76 km) |
| Hartlepool to Castelfranco Veneto | 849.88 mi (1,367.76 km) |
| Hartlepool to Castellabate | 1,243.05 mi (2,000.49 km) |
| Hartlepool to Castellammare del Golfo | 1,327.44 mi (2,136.31 km) |
| Hartlepool to Castellammare di Stabia | 1,205.59 mi (1,940.21 km) |
| Hartlepool to Castellamonte | 753.91 mi (1,213.30 km) |
| Hartlepool to Castellana Grotte | 1,272.00 mi (2,047.08 km) |
| Hartlepool to Castellaneta | 1,279.18 mi (2,058.65 km) |
| Hartlepool to Castellanza | 768.64 mi (1,237.00 km) |
| Hartlepool to Castellarano | 879.13 mi (1,414.82 km) |
| Hartlepool to Castelleone | 809.66 mi (1,303.02 km) |
