| Glenmont to Montalegre | 3,544.63 mi (5,704.52 km) |
| Glenmont to Montemor-o-Novo | 3,608.16 mi (5,806.78 km) |
| Glenmont to Montemor-o-Velho | 3,544.27 mi (5,703.94 km) |
| Glenmont to Montijo | 3,573.44 mi (5,750.90 km) |
| Glenmont to Mortagua | 3,559.19 mi (5,727.96 km) |
| Glenmont to Moura | 3,660.61 mi (5,891.18 km) |
| Glenmont to Murtosa | 3,531.93 mi (5,684.09 km) |
| Glenmont to Nazare | 3,540.47 mi (5,697.84 km) |
| Glenmont to Nelas | 3,575.61 mi (5,754.40 km) |
| Glenmont to Obidos | 3,542.44 mi (5,701.00 km) |
| Glenmont to Odemira | 3,617.39 mi (5,821.63 km) |
| Glenmont to Odivelas | 3,556.67 mi (5,723.91 km) |
| Glenmont to Oeiras | 3,552.80 mi (5,717.68 km) |
| Glenmont to Olhao | 3,673.01 mi (5,911.13 km) |
| Glenmont to Oliveira de Azemeis | 3,536.85 mi (5,692.01 km) |
