| Clayton to Entroncamento | 1,037.25 mi (1,669.28 km) |
| Clayton to Ericeira | 1,084.74 mi (1,745.72 km) |
| Clayton to Ermezinde | 922.33 mi (1,484.35 km) |
| Clayton to Esmoriz | 940.81 mi (1,514.08 km) |
| Clayton to Espinho | 937.38 mi (1,508.57 km) |
| Clayton to Esposende | 905.27 mi (1,456.89 km) |
| Clayton to Estarreja | 953.41 mi (1,534.37 km) |
| Clayton to Estoril | 1,101.50 mi (1,772.69 km) |
| Clayton to Estremoz | 1,066.93 mi (1,717.06 km) |
| Clayton to Evora | 1,089.87 mi (1,753.97 km) |
| Clayton to Fafe | 901.08 mi (1,450.16 km) |
| Clayton to Falagueira | 1,095.26 mi (1,762.65 km) |
| Clayton to Famalicao | 908.66 mi (1,462.34 km) |
| Clayton to Fanzeres | 925.39 mi (1,489.27 km) |
| Clayton to Faro | 1,194.78 mi (1,922.81 km) |
