| Welwyn Garden City to Cassina de' Pecchi | 614.82 mi (989.46 km) |
| Welwyn Garden City to Cassino | 971.19 mi (1,562.98 km) |
| Welwyn Garden City to Castagneto Carducci | 779.54 mi (1,254.54 km) |
| Welwyn Garden City to Castano Primo | 594.08 mi (956.09 km) |
| Welwyn Garden City to Castel Bolognese | 756.18 mi (1,216.95 km) |
| Welwyn Garden City to Castel Gandolfo | 920.60 mi (1,481.56 km) |
| Welwyn Garden City to Castel Goffredo | 662.29 mi (1,065.86 km) |
| Welwyn Garden City to Castel Maggiore | 729.00 mi (1,173.21 km) |
| Welwyn Garden City to Castel Mella | 641.32 mi (1,032.11 km) |
| Welwyn Garden City to Castel San Giorgio | 1,037.97 mi (1,670.46 km) |
| Welwyn Garden City to Castel San Giovanni | 641.37 mi (1,032.19 km) |
| Welwyn Garden City to Castel San Pietro Terme | 744.70 mi (1,198.48 km) |
| Welwyn Garden City to Castel Volturno | 998.46 mi (1,606.87 km) |
| Welwyn Garden City to Castelbuono | 1,182.29 mi (1,902.72 km) |
| Welwyn Garden City to Casteldaccia | 1,159.53 mi (1,866.08 km) |
