| Welwyn Garden City to Chivasso | 587.29 mi (945.15 km) |
| Welwyn Garden City to Ciampino | 916.06 mi (1,474.25 km) |
| Welwyn Garden City to Cicciano | 1,022.62 mi (1,645.75 km) |
| Welwyn Garden City to Cingoli | 852.25 mi (1,371.57 km) |
| Welwyn Garden City to Cinisello Balsamo | 608.29 mi (978.95 km) |
| Welwyn Garden City to Cinisi | 1,140.69 mi (1,835.76 km) |
| Welwyn Garden City to Cirie | 576.66 mi (928.05 km) |
| Welwyn Garden City to Ciro Marina | 1,194.03 mi (1,921.60 km) |
| Welwyn Garden City to Cislago | 595.13 mi (957.77 km) |
| Welwyn Garden City to Cisterna di Latina | 934.68 mi (1,504.23 km) |
| Welwyn Garden City to Cisternino | 1,132.12 mi (1,821.97 km) |
| Welwyn Garden City to Citta di Castello | 815.08 mi (1,311.74 km) |
| Welwyn Garden City to Citta Sant'Angelo | 924.15 mi (1,487.27 km) |
| Welwyn Garden City to Cittadella | 690.55 mi (1,111.33 km) |
| Welwyn Garden City to Cittanova | 1,217.06 mi (1,958.67 km) |
