| Bilbao to Cividale del Friuli | 825.64 mi (1,328.74 km) |
| Bilbao to Civita Castellana | 779.37 mi (1,254.28 km) |
| Bilbao to Civitanova Marche | 836.49 mi (1,346.20 km) |
| Bilbao to Civitavecchia | 751.16 mi (1,208.88 km) |
| Bilbao to Civitella in Val di Chiana | 734.87 mi (1,182.65 km) |
| Bilbao to Clusone | 658.29 mi (1,059.41 km) |
| Bilbao to Coccaglio | 655.63 mi (1,055.13 km) |
| Bilbao to Codigoro | 753.74 mi (1,213.03 km) |
| Bilbao to Codogno | 638.41 mi (1,027.43 km) |
| Bilbao to Codroipo | 802.77 mi (1,291.93 km) |
| Bilbao to Cogoleto | 581.53 mi (935.88 km) |
| Bilbao to Colle di Val d'Elsa | 705.74 mi (1,135.78 km) |
| Bilbao to Colle Salvetti | 672.42 mi (1,082.15 km) |
| Bilbao to Collecchio | 660.40 mi (1,062.81 km) |
| Bilbao to Colleferro | 817.60 mi (1,315.80 km) |
