| Welwyn Garden City to Cervignano del Friuli | 739.63 mi (1,190.31 km) |
| Welwyn Garden City to Cesa | 1,013.05 mi (1,630.34 km) |
| Welwyn Garden City to Cesano Maderno | 601.83 mi (968.56 km) |
| Welwyn Garden City to Cesena | 780.13 mi (1,255.50 km) |
| Welwyn Garden City to Cesenatico | 782.13 mi (1,258.72 km) |
| Welwyn Garden City to Cetraro | 1,148.51 mi (1,848.35 km) |
| Welwyn Garden City to Cherasco | 617.35 mi (993.53 km) |
| Welwyn Garden City to Chiampo | 677.59 mi (1,090.48 km) |
| Welwyn Garden City to Chiaravalle | 844.35 mi (1,358.85 km) |
| Welwyn Garden City to Chiari | 631.49 mi (1,016.28 km) |
| Welwyn Garden City to Chiavari | 678.05 mi (1,091.22 km) |
| Welwyn Garden City to Chieri | 595.41 mi (958.21 km) |
| Welwyn Garden City to Chieti | 936.74 mi (1,507.54 km) |
| Welwyn Garden City to Chioggia | 728.37 mi (1,172.21 km) |
| Welwyn Garden City to Chiusi | 829.25 mi (1,334.55 km) |
