| Letchworth to Tallinn | 1,091.22 mi (1,756.14 km) |
| Letchworth to Tartu | 1,141.72 mi (1,837.43 km) |
| Letchworth to Valga | 1,109.64 mi (1,785.80 km) |
| Letchworth to Viljandi | 1,101.88 mi (1,773.30 km) |
| Letchworth to Voru | 1,145.22 mi (1,843.05 km) |
| Letchworth to Aanekoski | 1,201.78 mi (1,934.08 km) |
| Letchworth to Alajarvi | 1,161.24 mi (1,868.84 km) |
| Letchworth to Alavus | 1,141.91 mi (1,837.73 km) |
| Letchworth to Ekenas | 1,060.08 mi (1,706.03 km) |
| Letchworth to Espoo | 1,105.10 mi (1,778.48 km) |
| Letchworth to Eura | 1,050.56 mi (1,690.71 km) |
| Letchworth to Eurajoki | 1,042.31 mi (1,677.44 km) |
| Letchworth to Forssa | 1,088.05 mi (1,751.05 km) |
| Letchworth to Hakkila | 1,116.57 mi (1,796.94 km) |
| Letchworth to Halikko | 1,059.61 mi (1,705.27 km) |
