| Helensburgh to Entroncamento | 1,156.25 mi (1,860.81 km) |
| Helensburgh to Ericeira | 1,197.80 mi (1,927.68 km) |
| Helensburgh to Ermezinde | 1,036.91 mi (1,668.74 km) |
| Helensburgh to Esmoriz | 1,055.40 mi (1,698.50 km) |
| Helensburgh to Espinho | 1,051.74 mi (1,692.61 km) |
| Helensburgh to Esposende | 1,017.11 mi (1,636.87 km) |
| Helensburgh to Estarreja | 1,068.97 mi (1,720.34 km) |
| Helensburgh to Estoril | 1,215.25 mi (1,955.75 km) |
| Helensburgh to Estremoz | 1,193.30 mi (1,920.43 km) |
| Helensburgh to Evora | 1,214.45 mi (1,954.47 km) |
| Helensburgh to Fafe | 1,018.22 mi (1,638.67 km) |
| Helensburgh to Falagueira | 1,210.14 mi (1,947.52 km) |
| Helensburgh to Famalicao | 1,023.00 mi (1,646.37 km) |
| Helensburgh to Fanzeres | 1,040.22 mi (1,674.08 km) |
| Helensburgh to Faro | 1,321.25 mi (2,126.35 km) |
