| Siedlce to Castrovillari | 900.80 mi (1,449.69 km) |
| Siedlce to Catania | 1,071.32 mi (1,724.12 km) |
| Siedlce to Catanzaro | 956.00 mi (1,538.54 km) |
| Siedlce to Cattolica | 716.25 mi (1,152.69 km) |
| Siedlce to Cava de' Tirreni | 869.21 mi (1,398.86 km) |
| Siedlce to Cavallino | 841.09 mi (1,353.61 km) |
| Siedlce to Cavarzere | 671.18 mi (1,080.17 km) |
| Siedlce to Cave | 838.05 mi (1,348.72 km) |
| Siedlce to Cavriago | 743.68 mi (1,196.84 km) |
| Siedlce to Cavriglia | 777.64 mi (1,251.49 km) |
| Siedlce to Cazzago San Martino | 717.10 mi (1,154.06 km) |
| Siedlce to Ceccano | 843.84 mi (1,358.02 km) |
| Siedlce to Cecina | 817.77 mi (1,316.07 km) |
| Siedlce to Cefalu | 1,054.51 mi (1,697.07 km) |
| Siedlce to Ceglie Messapico | 826.98 mi (1,330.90 km) |
