| Siedlce to Celano | 806.61 mi (1,298.11 km) |
| Siedlce to Cento | 717.70 mi (1,155.03 km) |
| Siedlce to Cepagatti | 777.52 mi (1,251.30 km) |
| Siedlce to Ceprano | 840.63 mi (1,352.87 km) |
| Siedlce to Cercola | 865.52 mi (1,392.93 km) |
| Siedlce to Cerea | 695.64 mi (1,119.53 km) |
| Siedlce to Cerese | 718.66 mi (1,156.57 km) |
| Siedlce to Cerignola | 810.46 mi (1,304.31 km) |
| Siedlce to Cermenate | 745.04 mi (1,199.03 km) |
| Siedlce to Cernusco sul Naviglio | 744.59 mi (1,198.30 km) |
| Siedlce to Cerreto Guidi | 781.95 mi (1,258.42 km) |
| Siedlce to Cerro Maggiore | 754.45 mi (1,214.16 km) |
| Siedlce to Certaldo | 789.11 mi (1,269.96 km) |
| Siedlce to Cerveteri | 848.10 mi (1,364.88 km) |
| Siedlce to Cervia | 710.62 mi (1,143.64 km) |
