| Sierning to Civita Castellana | 407.79 mi (656.28 km) |
| Sierning to Civitanova Marche | 329.00 mi (529.48 km) |
| Sierning to Civitavecchia | 428.55 mi (689.68 km) |
| Sierning to Civitella in Val di Chiana | 343.30 mi (552.49 km) |
| Sierning to Clusone | 254.04 mi (408.83 km) |
| Sierning to Coccaglio | 267.07 mi (429.80 km) |
| Sierning to Codigoro | 245.21 mi (394.62 km) |
| Sierning to Codogno | 295.73 mi (475.93 km) |
| Sierning to Codroipo | 156.93 mi (252.56 km) |
| Sierning to Cogoleto | 370.09 mi (595.61 km) |
| Sierning to Colle di Val d'Elsa | 355.54 mi (572.19 km) |
| Sierning to Colle Salvetti | 358.03 mi (576.19 km) |
| Sierning to Collecchio | 299.68 mi (482.30 km) |
| Sierning to Colleferro | 440.63 mi (709.12 km) |
| Sierning to Collegno | 379.90 mi (611.39 km) |
