| Billdal to Castelfidardo | 978.03 mi (1,573.99 km) |
| Billdal to Castelfiorentino | 967.06 mi (1,556.33 km) |
| Billdal to Castelfranco di Sopra | 964.66 mi (1,552.47 km) |
| Billdal to Castelfranco di Sotto | 960.61 mi (1,545.95 km) |
| Billdal to Castelfranco Emilia | 898.08 mi (1,445.32 km) |
| Billdal to Castelfranco Veneto | 823.36 mi (1,325.07 km) |
| Billdal to Castellabate | 1,203.15 mi (1,936.29 km) |
| Billdal to Castellammare del Golfo | 1,351.93 mi (2,175.73 km) |
| Billdal to Castellammare di Stabia | 1,172.35 mi (1,886.71 km) |
| Billdal to Castellamonte | 861.95 mi (1,387.18 km) |
| Billdal to Castellana Grotte | 1,176.91 mi (1,894.05 km) |
| Billdal to Castellaneta | 1,191.97 mi (1,918.29 km) |
| Billdal to Castellanza | 836.78 mi (1,346.67 km) |
| Billdal to Castellarano | 900.71 mi (1,449.55 km) |
| Billdal to Castelleone | 854.01 mi (1,374.40 km) |
