| Watertown to Entroncamento | 3,393.95 mi (5,462.04 km) |
| Watertown to Ericeira | 3,365.88 mi (5,416.86 km) |
| Watertown to Ermezinde | 3,333.71 mi (5,365.09 km) |
| Watertown to Esmoriz | 3,338.41 mi (5,372.66 km) |
| Watertown to Espinho | 3,336.07 mi (5,368.89 km) |
| Watertown to Esposende | 3,313.03 mi (5,331.81 km) |
| Watertown to Estarreja | 3,347.72 mi (5,387.64 km) |
| Watertown to Estoril | 3,375.36 mi (5,432.11 km) |
| Watertown to Estremoz | 3,455.99 mi (5,561.87 km) |
| Watertown to Evora | 3,450.66 mi (5,553.31 km) |
| Watertown to Fafe | 3,344.10 mi (5,381.80 km) |
| Watertown to Falagueira | 3,381.67 mi (5,442.28 km) |
| Watertown to Famalicao | 3,328.98 mi (5,357.48 km) |
| Watertown to Fanzeres | 3,336.07 mi (5,368.88 km) |
| Watertown to Faro | 3,502.38 mi (5,636.54 km) |
