| Williamstown to Quarteira | 3,540.25 mi (5,697.49 km) |
| Williamstown to Queluz | 3,435.05 mi (5,528.17 km) |
| Williamstown to Reguengos de Monsaraz | 3,530.08 mi (5,681.12 km) |
| Williamstown to Resende | 3,436.60 mi (5,530.67 km) |
| Williamstown to Ribeira Brava | 3,210.67 mi (5,167.08 km) |
| Williamstown to Ribeira Grande | 2,634.17 mi (4,239.29 km) |
| Williamstown to Rio de Mouro | 3,431.29 mi (5,522.12 km) |
| Williamstown to Rio Maior | 3,435.80 mi (5,529.39 km) |
| Williamstown to Rio Tinto | 3,405.94 mi (5,481.34 km) |
| Williamstown to Sabugal | 3,499.08 mi (5,631.23 km) |
| Williamstown to Sacavem | 3,441.86 mi (5,539.13 km) |
| Williamstown to Salvaterra de Magos | 3,451.74 mi (5,555.04 km) |
| Williamstown to Santa Comba Dao | 3,447.52 mi (5,548.24 km) |
| Williamstown to Santa Cruz | 3,223.75 mi (5,188.12 km) |
| Williamstown to Santa Iria da Azoia | 3,441.30 mi (5,538.23 km) |
