| Letchworth to Irun | 601.33 mi (967.75 km) |
| Letchworth to Isla-Cristina | 1,077.82 mi (1,734.59 km) |
| Letchworth to Jaca | 651.58 mi (1,048.62 km) |
| Letchworth to Jaen | 996.79 mi (1,604.17 km) |
| Letchworth to Jerez de la Frontera | 1,095.55 mi (1,763.12 km) |
| Letchworth to Jerez de los Caballeros | 995.03 mi (1,601.35 km) |
| Letchworth to Jodar | 988.92 mi (1,591.51 km) |
| Letchworth to Jumilla | 934.17 mi (1,503.40 km) |
| Letchworth to La Algaba | 1,042.17 mi (1,677.21 km) |
| Letchworth to La Baneza | 719.47 mi (1,157.88 km) |
| Letchworth to La Carlota | 1,014.78 mi (1,633.12 km) |
| Letchworth to La Carolina | 961.36 mi (1,547.17 km) |
| Letchworth to La Corredoria | 647.69 mi (1,042.35 km) |
| Letchworth to La Eliana | 857.70 mi (1,380.33 km) |
| Letchworth to La Escala | 699.53 mi (1,125.79 km) |
