| Letchworth to Ianca | 1,342.34 mi (2,160.29 km) |
| Letchworth to Iasi | 1,281.43 mi (2,062.26 km) |
| Letchworth to Iernut | 1,161.60 mi (1,869.41 km) |
| Letchworth to Ineu | 1,062.38 mi (1,709.74 km) |
| Letchworth to Jibou | 1,094.67 mi (1,761.70 km) |
| Letchworth to Jilava | 1,313.29 mi (2,113.54 km) |
| Letchworth to Jimbolia | 1,039.23 mi (1,672.48 km) |
| Letchworth to Liesti | 1,328.44 mi (2,137.92 km) |
| Letchworth to Lipova | 1,067.83 mi (1,718.51 km) |
| Letchworth to Liteni | 1,226.13 mi (1,973.27 km) |
| Letchworth to Ludus | 1,155.05 mi (1,858.88 km) |
| Letchworth to Lugoj | 1,091.18 mi (1,756.09 km) |
| Letchworth to Lupeni | 1,157.80 mi (1,863.30 km) |
| Letchworth to Magurele | 1,310.66 mi (2,109.31 km) |
| Letchworth to Mangalia | 1,436.87 mi (2,312.41 km) |
