| Welwyn Garden City to Carmignano | 756.82 mi (1,217.98 km) |
| Welwyn Garden City to Carovigno | 1,141.97 mi (1,837.82 km) |
| Welwyn Garden City to Carpenedolo | 657.49 mi (1,058.13 km) |
| Welwyn Garden City to Carpi | 701.92 mi (1,129.64 km) |
| Welwyn Garden City to Carrara | 714.18 mi (1,149.35 km) |
| Welwyn Garden City to Carugate | 612.03 mi (984.96 km) |
| Welwyn Garden City to Casal di Principe | 1,007.13 mi (1,620.82 km) |
| Welwyn Garden City to Casale Monferrato | 607.09 mi (977.02 km) |
| Welwyn Garden City to Casale sul Sile | 712.63 mi (1,146.87 km) |
| Welwyn Garden City to Casalecchio di Reno | 730.49 mi (1,175.61 km) |
| Welwyn Garden City to Casalgrande | 707.31 mi (1,138.31 km) |
| Welwyn Garden City to Casalmaggiore | 676.15 mi (1,088.16 km) |
| Welwyn Garden City to Casalnuovo di Napoli | 1,019.50 mi (1,640.72 km) |
| Welwyn Garden City to Casalpusterlengo | 641.49 mi (1,032.39 km) |
| Welwyn Garden City to Casaluce | 1,010.16 mi (1,625.70 km) |
