| Billingham to Castelfidardo | 1,017.31 mi (1,637.20 km) |
| Billingham to Castelfiorentino | 937.91 mi (1,509.42 km) |
| Billingham to Castelfranco di Sopra | 952.26 mi (1,532.51 km) |
| Billingham to Castelfranco di Sotto | 926.37 mi (1,490.84 km) |
| Billingham to Castelfranco Emilia | 882.30 mi (1,419.93 km) |
| Billingham to Castelfranco Veneto | 848.01 mi (1,364.75 km) |
| Billingham to Castellabate | 1,240.70 mi (1,996.71 km) |
| Billingham to Castellammare del Golfo | 1,324.36 mi (2,131.35 km) |
| Billingham to Castellammare di Stabia | 1,203.21 mi (1,936.38 km) |
| Billingham to Castellamonte | 750.79 mi (1,208.28 km) |
| Billingham to Castellana Grotte | 1,270.20 mi (2,044.19 km) |
| Billingham to Castellaneta | 1,277.29 mi (2,055.60 km) |
| Billingham to Castellanza | 765.92 mi (1,232.63 km) |
| Billingham to Castellarano | 876.67 mi (1,410.86 km) |
| Billingham to Castelleone | 807.10 mi (1,298.91 km) |
