| Widnes to Casamassima | 1,252.19 mi (2,015.20 km) |
| Widnes to Casandrino | 1,166.33 mi (1,877.02 km) |
| Widnes to Casapulla | 1,160.02 mi (1,866.86 km) |
| Widnes to Casarano | 1,343.80 mi (2,162.64 km) |
| Widnes to Casatenovo | 754.39 mi (1,214.08 km) |
| Widnes to Casciana Terme | 911.36 mi (1,466.70 km) |
| Widnes to Cascina | 900.73 mi (1,449.59 km) |
| Widnes to Caselle Torinese | 732.39 mi (1,178.66 km) |
| Widnes to Caserta | 1,161.59 mi (1,869.40 km) |
| Widnes to Casier | 856.50 mi (1,378.41 km) |
| Widnes to Casorate Primo | 765.34 mi (1,231.70 km) |
| Widnes to Casoria | 1,169.73 mi (1,882.51 km) |
| Widnes to Cassano al Ionio | 1,295.33 mi (2,084.64 km) |
| Widnes to Cassano d'Adda | 769.50 mi (1,238.39 km) |
| Widnes to Cassano delle Murge | 1,250.68 mi (2,012.78 km) |
