| Ustron to Montemor-o-Novo | 1,529.92 mi (2,462.17 km) |
| Ustron to Montemor-o-Velho | 1,486.46 mi (2,392.23 km) |
| Ustron to Montijo | 1,557.31 mi (2,506.25 km) |
| Ustron to Mortagua | 1,456.46 mi (2,343.95 km) |
| Ustron to Moura | 1,520.60 mi (2,447.17 km) |
| Ustron to Murtosa | 1,461.89 mi (2,352.68 km) |
| Ustron to Nazare | 1,525.92 mi (2,455.74 km) |
| Ustron to Nelas | 1,436.68 mi (2,312.11 km) |
| Ustron to Obidos | 1,539.81 mi (2,478.08 km) |
| Ustron to Odemira | 1,594.39 mi (2,565.92 km) |
| Ustron to Odivelas | 1,564.59 mi (2,517.97 km) |
| Ustron to Oeiras | 1,574.97 mi (2,534.66 km) |
| Ustron to Olhao | 1,587.04 mi (2,554.10 km) |
| Ustron to Oliveira de Azemeis | 1,450.89 mi (2,334.99 km) |
| Ustron to Oliveira de Frades | 1,443.11 mi (2,322.46 km) |
