| Oak Ridge to Entroncamento | 4,024.34 mi (6,476.55 km) |
| Oak Ridge to Ericeira | 3,990.74 mi (6,422.47 km) |
| Oak Ridge to Ermezinde | 3,974.77 mi (6,396.77 km) |
| Oak Ridge to Esmoriz | 3,977.72 mi (6,401.52 km) |
| Oak Ridge to Espinho | 3,975.68 mi (6,398.25 km) |
| Oak Ridge to Esposende | 3,955.52 mi (6,365.79 km) |
| Oak Ridge to Estarreja | 3,985.90 mi (6,414.69 km) |
| Oak Ridge to Estoril | 3,998.56 mi (6,435.06 km) |
| Oak Ridge to Estremoz | 4,084.59 mi (6,573.51 km) |
| Oak Ridge to Evora | 4,076.69 mi (6,560.80 km) |
| Oak Ridge to Fafe | 3,987.33 mi (6,416.98 km) |
| Oak Ridge to Falagueira | 4,005.66 mi (6,446.49 km) |
| Oak Ridge to Famalicao | 3,971.31 mi (6,391.20 km) |
| Oak Ridge to Fanzeres | 3,976.85 mi (6,400.13 km) |
| Oak Ridge to Faro | 4,118.21 mi (6,627.62 km) |
