| Siedlce to Castelfidardo | 723.64 mi (1,164.59 km) |
| Siedlce to Castelfiorentino | 788.50 mi (1,268.97 km) |
| Siedlce to Castelfranco di Sopra | 769.46 mi (1,238.33 km) |
| Siedlce to Castelfranco di Sotto | 789.68 mi (1,270.87 km) |
| Siedlce to Castelfranco Emilia | 732.23 mi (1,178.41 km) |
| Siedlce to Castelfranco Veneto | 648.40 mi (1,043.51 km) |
| Siedlce to Castellabate | 891.56 mi (1,434.83 km) |
| Siedlce to Castellammare del Golfo | 1,076.83 mi (1,732.99 km) |
| Siedlce to Castellammare di Stabia | 873.87 mi (1,406.36 km) |
| Siedlce to Castellamonte | 809.50 mi (1,302.77 km) |
| Siedlce to Castellana Grotte | 815.87 mi (1,313.02 km) |
| Siedlce to Castellaneta | 835.80 mi (1,345.09 km) |
| Siedlce to Castellanza | 755.48 mi (1,215.83 km) |
| Siedlce to Castellarano | 742.45 mi (1,194.86 km) |
| Siedlce to Castelleone | 740.07 mi (1,191.02 km) |
