| Letchworth to Liria | 853.63 mi (1,373.79 km) |
| Letchworth to Llagostera | 716.37 mi (1,152.88 km) |
| Letchworth to Llanera | 644.57 mi (1,037.34 km) |
| Letchworth to Llanes | 627.24 mi (1,009.45 km) |
| Letchworth to Lleida | 717.05 mi (1,153.97 km) |
| Letchworth to Lloret de Mar | 724.58 mi (1,166.09 km) |
| Letchworth to Lluchmayor | 875.64 mi (1,409.21 km) |
| Letchworth to Loeches | 815.14 mi (1,311.83 km) |
| Letchworth to Logrono | 665.37 mi (1,070.81 km) |
| Letchworth to Loja | 1,041.00 mi (1,675.32 km) |
| Letchworth to Lora del Rio | 1,022.63 mi (1,645.76 km) |
| Letchworth to Lorca | 990.46 mi (1,593.99 km) |
| Letchworth to Los Alcazares | 983.96 mi (1,583.53 km) |
| Letchworth to Los Barrios | 1,121.28 mi (1,804.52 km) |
| Letchworth to Los Corrales de Buelna | 627.94 mi (1,010.57 km) |
