| Sierning to Cosenza | 611.87 mi (984.71 km) |
| Sierning to Cossato | 337.08 mi (542.48 km) |
| Sierning to Costa Volpino | 250.67 mi (403.41 km) |
| Sierning to Creazzo | 219.04 mi (352.51 km) |
| Sierning to Crema | 286.78 mi (461.52 km) |
| Sierning to Cremona | 285.75 mi (459.87 km) |
| Sierning to Crevalcore | 274.83 mi (442.29 km) |
| Sierning to Crispiano | 534.18 mi (859.68 km) |
| Sierning to Crosia | 598.36 mi (962.96 km) |
| Sierning to Crotone | 634.80 mi (1,021.61 km) |
| Sierning to Cuneo | 410.17 mi (660.11 km) |
| Sierning to Cuorgne | 364.76 mi (587.03 km) |
| Sierning to Cusano Milanino | 297.41 mi (478.63 km) |
| Sierning to Cutro | 636.78 mi (1,024.80 km) |
| Sierning to Cutrofiano | 580.60 mi (934.39 km) |
