| Santo Tirso to Cividale del Friuli | 1,137.97 mi (1,831.38 km) |
| Santo Tirso to Civita Castellana | 1,074.41 mi (1,729.10 km) |
| Santo Tirso to Civitanova Marche | 1,138.90 mi (1,832.88 km) |
| Santo Tirso to Civitavecchia | 1,044.13 mi (1,680.37 km) |
| Santo Tirso to Civitella in Val di Chiana | 1,037.61 mi (1,669.88 km) |
| Santo Tirso to Clusone | 970.87 mi (1,562.46 km) |
| Santo Tirso to Coccaglio | 967.74 mi (1,557.43 km) |
| Santo Tirso to Codigoro | 1,063.36 mi (1,711.31 km) |
| Santo Tirso to Codogno | 949.67 mi (1,528.34 km) |
| Santo Tirso to Codroipo | 1,114.97 mi (1,794.37 km) |
| Santo Tirso to Cogoleto | 890.23 mi (1,432.68 km) |
| Santo Tirso to Colle di Val d'Elsa | 1,008.31 mi (1,622.72 km) |
| Santo Tirso to Colle Salvetti | 976.25 mi (1,571.12 km) |
| Santo Tirso to Collecchio | 970.16 mi (1,561.32 km) |
| Santo Tirso to Colleferro | 1,108.60 mi (1,784.12 km) |
