| Watertown Town to Entroncamento | 3,204.59 mi (5,157.29 km) |
| Watertown Town to Ericeira | 3,173.18 mi (5,106.74 km) |
| Watertown Town to Ermezinde | 3,151.17 mi (5,071.32 km) |
| Watertown Town to Esmoriz | 3,154.70 mi (5,076.99 km) |
| Watertown Town to Espinho | 3,152.56 mi (5,073.55 km) |
| Watertown Town to Esposende | 3,131.46 mi (5,039.59 km) |
| Watertown Town to Estarreja | 3,163.27 mi (5,090.78 km) |
| Watertown Town to Estoril | 3,181.72 mi (5,120.48 km) |
| Watertown Town to Estremoz | 3,265.62 mi (5,255.51 km) |
| Watertown Town to Evora | 3,258.76 mi (5,244.47 km) |
| Watertown Town to Fafe | 3,163.07 mi (5,090.46 km) |
| Watertown Town to Falagueira | 3,188.49 mi (5,131.38 km) |
| Watertown Town to Famalicao | 3,147.31 mi (5,065.11 km) |
| Watertown Town to Fanzeres | 3,153.35 mi (5,074.82 km) |
| Watertown Town to Faro | 3,304.84 mi (5,318.62 km) |
