| Killingworth to Castelfidardo | 1,045.58 mi (1,682.70 km) |
| Killingworth to Castelfiorentino | 967.43 mi (1,556.93 km) |
| Killingworth to Castelfranco di Sopra | 981.48 mi (1,579.54 km) |
| Killingworth to Castelfranco di Sotto | 955.95 mi (1,538.45 km) |
| Killingworth to Castelfranco Emilia | 911.33 mi (1,466.65 km) |
| Killingworth to Castelfranco Veneto | 875.89 mi (1,409.61 km) |
| Killingworth to Castellabate | 1,269.65 mi (2,043.30 km) |
| Killingworth to Castellammare del Golfo | 1,354.64 mi (2,180.09 km) |
| Killingworth to Castellammare di Stabia | 1,232.22 mi (1,983.07 km) |
| Killingworth to Castellamonte | 781.13 mi (1,257.11 km) |
| Killingworth to Castellana Grotte | 1,297.88 mi (2,088.73 km) |
| Killingworth to Castellaneta | 1,305.19 mi (2,100.51 km) |
| Killingworth to Castellanza | 795.60 mi (1,280.40 km) |
| Killingworth to Castellarano | 905.86 mi (1,457.84 km) |
| Killingworth to Castelleone | 836.48 mi (1,346.19 km) |
