| Heiloo to Castelfidardo | 750.35 mi (1,207.57 km) |
| Heiloo to Castelfiorentino | 684.84 mi (1,102.14 km) |
| Heiloo to Castelfranco di Sopra | 695.16 mi (1,118.75 km) |
| Heiloo to Castelfranco di Sotto | 674.32 mi (1,085.22 km) |
| Heiloo to Castelfranco Emilia | 623.61 mi (1,003.61 km) |
| Heiloo to Castelfranco Veneto | 578.96 mi (931.74 km) |
| Heiloo to Castellabate | 978.76 mi (1,575.16 km) |
| Heiloo to Castellammare del Golfo | 1,080.59 mi (1,739.04 km) |
| Heiloo to Castellammare di Stabia | 942.04 mi (1,516.07 km) |
| Heiloo to Castellamonte | 516.76 mi (831.64 km) |
| Heiloo to Castellana Grotte | 998.41 mi (1,606.78 km) |
| Heiloo to Castellaneta | 1,006.86 mi (1,620.38 km) |
| Heiloo to Castellanza | 518.05 mi (833.72 km) |
| Heiloo to Castellarano | 619.93 mi (997.68 km) |
| Heiloo to Castelleone | 553.82 mi (891.28 km) |
