| East Ridge to Montalegre | 4,075.58 mi (6,559.01 km) |
| East Ridge to Montemor-o-Novo | 4,136.47 mi (6,657.00 km) |
| East Ridge to Montemor-o-Velho | 4,073.93 mi (6,556.36 km) |
| East Ridge to Montijo | 4,101.53 mi (6,600.77 km) |
| East Ridge to Mortagua | 4,089.19 mi (6,580.91 km) |
| East Ridge to Moura | 4,188.62 mi (6,740.94 km) |
| East Ridge to Murtosa | 4,062.07 mi (6,537.26 km) |
| East Ridge to Nazare | 4,069.50 mi (6,549.22 km) |
| East Ridge to Nelas | 4,105.77 mi (6,607.60 km) |
| East Ridge to Obidos | 4,071.18 mi (6,551.94 km) |
| East Ridge to Odemira | 4,144.20 mi (6,669.44 km) |
| East Ridge to Odivelas | 4,084.78 mi (6,573.81 km) |
| East Ridge to Oeiras | 4,080.72 mi (6,567.29 km) |
| East Ridge to Olhao | 4,199.43 mi (6,758.34 km) |
| East Ridge to Oliveira de Azemeis | 4,067.10 mi (6,545.37 km) |
