| Penafiel to Cividale del Friuli | 1,132.96 mi (1,823.33 km) |
| Penafiel to Civita Castellana | 1,066.73 mi (1,716.73 km) |
| Penafiel to Civitanova Marche | 1,131.91 mi (1,821.64 km) |
| Penafiel to Civitavecchia | 1,036.29 mi (1,667.75 km) |
| Penafiel to Civitella in Val di Chiana | 1,030.72 mi (1,658.78 km) |
| Penafiel to Clusone | 966.06 mi (1,554.73 km) |
| Penafiel to Coccaglio | 962.66 mi (1,549.25 km) |
| Penafiel to Codigoro | 1,057.51 mi (1,701.89 km) |
| Penafiel to Codogno | 944.28 mi (1,519.67 km) |
| Penafiel to Codroipo | 1,109.90 mi (1,786.22 km) |
| Penafiel to Cogoleto | 884.27 mi (1,423.09 km) |
| Penafiel to Colle di Val d'Elsa | 1,001.41 mi (1,611.62 km) |
| Penafiel to Colle Salvetti | 969.52 mi (1,560.29 km) |
| Penafiel to Collecchio | 964.37 mi (1,552.01 km) |
| Penafiel to Colleferro | 1,100.57 mi (1,771.19 km) |
