| Welwyn Garden City to Imatra | 1,265.10 mi (2,035.98 km) |
| Welwyn Garden City to Jakobstad | 1,164.51 mi (1,874.09 km) |
| Welwyn Garden City to Jamsa | 1,172.05 mi (1,886.23 km) |
| Welwyn Garden City to Janakkala | 1,129.51 mi (1,817.77 km) |
| Welwyn Garden City to Jarvenpaa | 1,132.16 mi (1,822.03 km) |
| Welwyn Garden City to Joensuu | 1,327.20 mi (2,135.92 km) |
| Welwyn Garden City to Joutseno | 1,255.41 mi (2,020.39 km) |
| Welwyn Garden City to Jyvaskyla | 1,199.35 mi (1,930.16 km) |
| Welwyn Garden City to Jyvaskylan Maalaiskunta | 1,200.73 mi (1,932.38 km) |
| Welwyn Garden City to Kaarina | 1,044.38 mi (1,680.77 km) |
| Welwyn Garden City to Kajaani | 1,315.35 mi (2,116.86 km) |
| Welwyn Garden City to Kalajoki | 1,219.04 mi (1,961.86 km) |
| Welwyn Garden City to Kangasala | 1,127.05 mi (1,813.81 km) |
| Welwyn Garden City to Kankaanpaa | 1,088.99 mi (1,752.55 km) |
| Welwyn Garden City to Karhula | 1,192.28 mi (1,918.79 km) |
