| Birsfelden to Cividale del Friuli | 292.35 mi (470.50 km) |
| Birsfelden to Civita Castellana | 431.98 mi (695.20 km) |
| Birsfelden to Civitanova Marche | 417.06 mi (671.19 km) |
| Birsfelden to Civitavecchia | 428.63 mi (689.82 km) |
| Birsfelden to Civitella in Val di Chiana | 347.75 mi (559.64 km) |
| Birsfelden to Clusone | 159.55 mi (256.77 km) |
| Birsfelden to Coccaglio | 177.25 mi (285.25 km) |
| Birsfelden to Codigoro | 285.41 mi (459.32 km) |
| Birsfelden to Codogno | 192.85 mi (310.36 km) |
| Birsfelden to Codroipo | 276.24 mi (444.57 km) |
| Birsfelden to Cogoleto | 224.05 mi (360.57 km) |
| Birsfelden to Colle di Val d'Elsa | 333.48 mi (536.69 km) |
| Birsfelden to Colle Salvetti | 306.12 mi (492.65 km) |
| Birsfelden to Collecchio | 230.02 mi (370.18 km) |
| Birsfelden to Colleferro | 481.39 mi (774.72 km) |
