| Siedlce to Cervignano del Friuli | 595.91 mi (959.03 km) |
| Siedlce to Cesa | 861.57 mi (1,386.56 km) |
| Siedlce to Cesano Maderno | 745.99 mi (1,200.55 km) |
| Siedlce to Cesena | 720.55 mi (1,159.62 km) |
| Siedlce to Cesenatico | 712.77 mi (1,147.09 km) |
| Siedlce to Cetraro | 925.59 mi (1,489.60 km) |
| Siedlce to Cherasco | 837.74 mi (1,348.22 km) |
| Siedlce to Chiampo | 675.72 mi (1,087.47 km) |
| Siedlce to Chiaravalle | 721.15 mi (1,160.58 km) |
| Siedlce to Chiari | 725.04 mi (1,166.85 km) |
| Siedlce to Chiavari | 803.14 mi (1,292.52 km) |
| Siedlce to Chieri | 822.27 mi (1,323.32 km) |
| Siedlce to Chieti | 776.28 mi (1,249.30 km) |
| Siedlce to Chioggia | 660.64 mi (1,063.20 km) |
| Siedlce to Chiusi | 792.62 mi (1,275.60 km) |
