| Round Rock to Entroncamento | 4,877.89 mi (7,850.20 km) |
| Round Rock to Ericeira | 4,845.47 mi (7,798.04 km) |
| Round Rock to Ermezinde | 4,825.20 mi (7,765.41 km) |
| Round Rock to Esmoriz | 4,828.73 mi (7,771.09 km) |
| Round Rock to Espinho | 4,826.59 mi (7,767.65 km) |
| Round Rock to Esposende | 4,805.44 mi (7,733.61 km) |
| Round Rock to Estarreja | 4,837.27 mi (7,784.84 km) |
| Round Rock to Estoril | 4,853.62 mi (7,811.15 km) |
| Round Rock to Estremoz | 4,938.61 mi (7,947.93 km) |
| Round Rock to Evora | 4,931.27 mi (7,936.11 km) |
| Round Rock to Fafe | 4,837.02 mi (7,784.43 km) |
| Round Rock to Falagueira | 4,860.58 mi (7,822.35 km) |
| Round Rock to Famalicao | 4,821.31 mi (7,759.14 km) |
| Round Rock to Fanzeres | 4,827.38 mi (7,768.92 km) |
| Round Rock to Faro | 4,974.57 mi (8,005.79 km) |
