| Siechnice to Castelfidardo | 549.69 mi (884.65 km) |
| Siechnice to Castelfiorentino | 589.40 mi (948.54 km) |
| Siechnice to Castelfranco di Sopra | 574.90 mi (925.21 km) |
| Siechnice to Castelfranco di Sotto | 588.32 mi (946.81 km) |
| Siechnice to Castelfranco Emilia | 526.92 mi (848.00 km) |
| Siechnice to Castelfranco Veneto | 441.44 mi (710.43 km) |
| Siechnice to Castellabate | 750.75 mi (1,208.22 km) |
| Siechnice to Castellammare del Golfo | 922.81 mi (1,485.12 km) |
| Siechnice to Castellammare di Stabia | 725.91 mi (1,168.23 km) |
| Siechnice to Castellamonte | 583.63 mi (939.26 km) |
| Siechnice to Castellana Grotte | 701.53 mi (1,129.01 km) |
| Siechnice to Castellaneta | 718.88 mi (1,156.93 km) |
| Siechnice to Castellanza | 532.27 mi (856.61 km) |
| Siechnice to Castellarano | 535.47 mi (861.76 km) |
| Siechnice to Castelleone | 522.32 mi (840.59 km) |
