| Welwyn Garden City to Belvedere Marittimo | 1,139.40 mi (1,833.69 km) |
| Welwyn Garden City to Benevento | 1,021.68 mi (1,644.24 km) |
| Welwyn Garden City to Bergamo | 615.60 mi (990.71 km) |
| Welwyn Garden City to Bernalda | 1,123.00 mi (1,807.30 km) |
| Welwyn Garden City to Bertinoro | 775.83 mi (1,248.58 km) |
| Welwyn Garden City to Besana in Brianza | 602.70 mi (969.95 km) |
| Welwyn Garden City to Besozzo | 575.21 mi (925.71 km) |
| Welwyn Garden City to Biancavilla | 1,220.91 mi (1,964.86 km) |
| Welwyn Garden City to Biassono | 605.59 mi (974.60 km) |
| Welwyn Garden City to Bibbiano | 694.35 mi (1,117.45 km) |
| Welwyn Garden City to Bibbiena | 788.61 mi (1,269.15 km) |
| Welwyn Garden City to Biella | 571.82 mi (920.26 km) |
| Welwyn Garden City to Bisceglie | 1,073.65 mi (1,727.88 km) |
| Welwyn Garden City to Bisignano | 1,158.33 mi (1,864.15 km) |
| Welwyn Garden City to Bitetto | 1,092.95 mi (1,758.93 km) |
