| Welwyn Garden City to Busto Arsizio | 593.48 mi (955.12 km) |
| Welwyn Garden City to Busto Garolfo | 597.95 mi (962.31 km) |
| Welwyn Garden City to Cabras | 919.99 mi (1,480.58 km) |
| Welwyn Garden City to Cadelbosco di Sopra | 693.48 mi (1,116.05 km) |
| Welwyn Garden City to Cadoneghe | 705.24 mi (1,134.98 km) |
| Welwyn Garden City to Cagli | 823.84 mi (1,325.84 km) |
| Welwyn Garden City to Cagliari | 977.05 mi (1,572.41 km) |
| Welwyn Garden City to Cairo Montenotte | 642.70 mi (1,034.33 km) |
| Welwyn Garden City to Caivano | 1,016.08 mi (1,635.22 km) |
| Welwyn Garden City to Calcinaia | 751.57 mi (1,209.54 km) |
| Welwyn Garden City to Calcinato | 652.27 mi (1,049.73 km) |
| Welwyn Garden City to Calderara di Reno | 725.67 mi (1,167.86 km) |
| Welwyn Garden City to Caldogno | 682.63 mi (1,098.59 km) |
| Welwyn Garden City to Calenzano | 758.90 mi (1,221.34 km) |
| Welwyn Garden City to Calolziocorte | 602.51 mi (969.64 km) |
