| Sierpc to Busto Arsizio | 698.80 mi (1,124.62 km) |
| Sierpc to Busto Garolfo | 701.12 mi (1,128.34 km) |
| Sierpc to Cabras | 1,037.44 mi (1,669.60 km) |
| Sierpc to Cadelbosco di Sopra | 694.98 mi (1,118.46 km) |
| Sierpc to Cadoneghe | 620.38 mi (998.41 km) |
| Sierpc to Cagli | 720.44 mi (1,159.44 km) |
| Sierpc to Cagliari | 1,068.10 mi (1,718.94 km) |
| Sierpc to Cairo Montenotte | 782.00 mi (1,258.51 km) |
| Sierpc to Caivano | 861.93 mi (1,387.13 km) |
| Sierpc to Calcinaia | 758.43 mi (1,220.58 km) |
| Sierpc to Calcinato | 660.64 mi (1,063.19 km) |
| Sierpc to Calderara di Reno | 689.47 mi (1,109.59 km) |
| Sierpc to Caldogno | 622.96 mi (1,002.56 km) |
| Sierpc to Calenzano | 733.92 mi (1,181.12 km) |
| Sierpc to Calolziocorte | 670.86 mi (1,079.65 km) |
