| Letchworth to Imatra | 1,258.36 mi (2,025.13 km) |
| Letchworth to Jakobstad | 1,155.93 mi (1,860.29 km) |
| Letchworth to Jamsa | 1,164.61 mi (1,874.25 km) |
| Letchworth to Janakkala | 1,122.52 mi (1,806.52 km) |
| Letchworth to Jarvenpaa | 1,125.47 mi (1,811.26 km) |
| Letchworth to Joensuu | 1,319.83 mi (2,124.06 km) |
| Letchworth to Joutseno | 1,248.68 mi (2,009.55 km) |
| Letchworth to Jyvaskyla | 1,191.78 mi (1,917.98 km) |
| Letchworth to Jyvaskylan Maalaiskunta | 1,193.13 mi (1,920.16 km) |
| Letchworth to Kaarina | 1,037.41 mi (1,669.55 km) |
| Letchworth to Kajaani | 1,307.08 mi (2,103.55 km) |
| Letchworth to Kalajoki | 1,210.37 mi (1,947.90 km) |
| Letchworth to Kangasala | 1,119.69 mi (1,801.97 km) |
| Letchworth to Kankaanpaa | 1,081.24 mi (1,740.09 km) |
| Letchworth to Karhula | 1,185.74 mi (1,908.27 km) |
