| Siedlce to Castelletto sopra Ticino | 760.63 mi (1,224.11 km) |
| Siedlce to Castelli Calepio | 719.05 mi (1,157.20 km) |
| Siedlce to Castelnovo ne' Monti | 761.82 mi (1,226.02 km) |
| Siedlce to Castelnuovo Berardenga | 786.52 mi (1,265.77 km) |
| Siedlce to Castelnuovo di Porto | 829.79 mi (1,335.42 km) |
| Siedlce to Castelnuovo di Verona | 698.87 mi (1,124.72 km) |
| Siedlce to Castelnuovo Rangone | 738.50 mi (1,188.51 km) |
| Siedlce to Castelvetrano | 1,100.62 mi (1,771.27 km) |
| Siedlce to Castelvetro di Modena | 740.60 mi (1,191.88 km) |
| Siedlce to Castenaso | 723.67 mi (1,164.63 km) |
| Siedlce to Castenedolo | 713.07 mi (1,147.58 km) |
| Siedlce to Castiglion Fiorentino | 774.76 mi (1,246.86 km) |
| Siedlce to Castiglione del Lago | 782.87 mi (1,259.92 km) |
| Siedlce to Castiglione delle Stiviere | 709.56 mi (1,141.92 km) |
| Siedlce to Castrolibero | 933.94 mi (1,503.03 km) |
