| Houthulst to Castelli Calepio | 487.82 mi (785.06 km) |
| Houthulst to Castelnovo ne' Monti | 569.01 mi (915.73 km) |
| Houthulst to Castelnuovo Berardenga | 661.99 mi (1,065.36 km) |
| Houthulst to Castelnuovo di Porto | 759.80 mi (1,222.79 km) |
| Houthulst to Castelnuovo di Verona | 525.10 mi (845.06 km) |
| Houthulst to Castelnuovo Rangone | 577.87 mi (929.99 km) |
| Houthulst to Castelvetrano | 1,037.33 mi (1,669.42 km) |
| Houthulst to Castelvetro di Modena | 581.12 mi (935.23 km) |
| Houthulst to Castenaso | 596.26 mi (959.58 km) |
| Houthulst to Castenedolo | 508.59 mi (818.50 km) |
| Houthulst to Castiglion Fiorentino | 674.08 mi (1,084.82 km) |
| Houthulst to Castiglione del Lago | 689.41 mi (1,109.49 km) |
| Houthulst to Castiglione delle Stiviere | 518.58 mi (834.58 km) |
| Houthulst to Castrolibero | 1,029.24 mi (1,656.40 km) |
| Houthulst to Castrovillari | 1,000.83 mi (1,610.68 km) |
