| Letchworth to Entroncamento | 950.05 mi (1,528.96 km) |
| Letchworth to Ericeira | 1,001.62 mi (1,611.96 km) |
| Letchworth to Ermezinde | 840.65 mi (1,352.89 km) |
| Letchworth to Esmoriz | 858.76 mi (1,382.04 km) |
| Letchworth to Espinho | 855.59 mi (1,376.94 km) |
| Letchworth to Esposende | 826.17 mi (1,329.60 km) |
| Letchworth to Estarreja | 870.35 mi (1,400.69 km) |
| Letchworth to Estoril | 1,017.62 mi (1,637.70 km) |
| Letchworth to Estremoz | 973.44 mi (1,566.60 km) |
| Letchworth to Evora | 997.52 mi (1,605.35 km) |
| Letchworth to Fafe | 817.70 mi (1,315.96 km) |
| Letchworth to Falagueira | 1,010.56 mi (1,626.35 km) |
| Letchworth to Famalicao | 827.42 mi (1,331.61 km) |
| Letchworth to Fanzeres | 843.43 mi (1,357.37 km) |
| Letchworth to Faro | 1,099.80 mi (1,769.95 km) |
