| Widnes to Carmignano | 907.81 mi (1,460.98 km) |
| Widnes to Carovigno | 1,290.73 mi (2,077.23 km) |
| Widnes to Carpenedolo | 807.61 mi (1,299.72 km) |
| Widnes to Carpi | 852.30 mi (1,371.64 km) |
| Widnes to Carrara | 865.39 mi (1,392.71 km) |
| Widnes to Carugate | 762.83 mi (1,227.65 km) |
| Widnes to Casal di Principe | 1,158.07 mi (1,863.73 km) |
| Widnes to Casale Monferrato | 758.38 mi (1,220.49 km) |
| Widnes to Casale sul Sile | 860.06 mi (1,384.13 km) |
| Widnes to Casalecchio di Reno | 880.84 mi (1,417.58 km) |
| Widnes to Casalgrande | 857.98 mi (1,380.78 km) |
| Widnes to Casalmaggiore | 826.69 mi (1,330.43 km) |
| Widnes to Casalnuovo di Napoli | 1,170.38 mi (1,883.55 km) |
| Widnes to Casalpusterlengo | 792.38 mi (1,275.22 km) |
| Widnes to Casaluce | 1,161.08 mi (1,868.57 km) |
