| Welwyn Garden City to Hameenkyro | 1,106.67 mi (1,781.01 km) |
| Welwyn Garden City to Hameenlinna | 1,125.94 mi (1,812.02 km) |
| Welwyn Garden City to Hamina | 1,201.92 mi (1,934.31 km) |
| Welwyn Garden City to Hanko | 1,048.03 mi (1,686.63 km) |
| Welwyn Garden City to Hattula | 1,124.66 mi (1,809.97 km) |
| Welwyn Garden City to Haukipudas | 1,288.43 mi (2,073.52 km) |
| Welwyn Garden City to Hausjarvi | 1,137.85 mi (1,831.19 km) |
| Welwyn Garden City to Heinola | 1,179.73 mi (1,898.59 km) |
| Welwyn Garden City to Helsinki | 1,119.95 mi (1,802.38 km) |
| Welwyn Garden City to Hollola | 1,158.20 mi (1,863.94 km) |
| Welwyn Garden City to Huittinen | 1,077.62 mi (1,734.26 km) |
| Welwyn Garden City to Hyvinkaa | 1,128.42 mi (1,816.01 km) |
| Welwyn Garden City to Ii | 1,294.07 mi (2,082.60 km) |
| Welwyn Garden City to Iisalmi | 1,280.00 mi (2,059.96 km) |
| Welwyn Garden City to Ilmajoki | 1,126.58 mi (1,813.05 km) |
