| Williamstown to Pombal | 3,435.29 mi (5,528.56 km) |
| Williamstown to Ponta Delgada | 2,627.94 mi (4,229.26 km) |
| Williamstown to Ponta do Sol | 3,207.92 mi (5,162.64 km) |
| Williamstown to Ponte da Barca | 3,397.25 mi (5,467.34 km) |
| Williamstown to Ponte de Lima | 3,390.86 mi (5,457.07 km) |
| Williamstown to Ponte de Sor | 3,483.16 mi (5,605.61 km) |
| Williamstown to Portalegre | 3,510.81 mi (5,650.10 km) |
| Williamstown to Portimao | 3,516.50 mi (5,659.26 km) |
| Williamstown to Porto | 3,403.35 mi (5,477.16 km) |
| Williamstown to Porto de Mos | 3,434.33 mi (5,527.02 km) |
| Williamstown to Povoa de Lanhoso | 3,410.29 mi (5,488.34 km) |
| Williamstown to Povoa de Santa Iria | 3,441.82 mi (5,539.07 km) |
| Williamstown to Povoa de Varzim | 3,391.15 mi (5,457.52 km) |
| Williamstown to Praia da Vitoria | 2,534.71 mi (4,079.23 km) |
| Williamstown to Praia do Carvoeiro | 3,520.91 mi (5,666.36 km) |
