| Irmo to Entroncamento | 3,931.08 mi (6,326.47 km) |
| Irmo to Ericeira | 3,894.51 mi (6,267.61 km) |
| Irmo to Ermezinde | 3,888.17 mi (6,257.40 km) |
| Irmo to Esmoriz | 3,890.01 mi (6,260.37 km) |
| Irmo to Espinho | 3,888.18 mi (6,257.42 km) |
| Irmo to Esposende | 3,869.91 mi (6,228.03 km) |
| Irmo to Estarreja | 3,897.46 mi (6,272.36 km) |
| Irmo to Estoril | 3,901.38 mi (6,278.66 km) |
| Irmo to Estremoz | 3,990.03 mi (6,421.34 km) |
| Irmo to Evora | 3,980.71 mi (6,406.34 km) |
| Irmo to Fafe | 3,902.04 mi (6,279.73 km) |
| Irmo to Falagueira | 3,908.88 mi (6,290.74 km) |
| Irmo to Famalicao | 3,885.53 mi (6,253.15 km) |
| Irmo to Fanzeres | 3,890.08 mi (6,260.47 km) |
| Irmo to Faro | 4,016.50 mi (6,463.94 km) |
