| McDonough to Montalegre | 4,080.73 mi (6,567.31 km) |
| McDonough to Montemor-o-Novo | 4,133.88 mi (6,652.84 km) |
| McDonough to Montemor-o-Velho | 4,074.58 mi (6,557.40 km) |
| McDonough to Montijo | 4,098.53 mi (6,595.95 km) |
| McDonough to Mortagua | 4,090.77 mi (6,583.45 km) |
| McDonough to Moura | 4,185.40 mi (6,735.75 km) |
| McDonough to Murtosa | 4,064.09 mi (6,540.52 km) |
| McDonough to Nazare | 4,068.54 mi (6,547.68 km) |
| McDonough to Nelas | 4,107.80 mi (6,610.87 km) |
| McDonough to Obidos | 4,069.59 mi (6,549.38 km) |
| McDonough to Odemira | 4,138.83 mi (6,660.80 km) |
| McDonough to Odivelas | 4,081.83 mi (6,569.07 km) |
| McDonough to Oeiras | 4,077.43 mi (6,561.99 km) |
| McDonough to Olhao | 4,193.38 mi (6,748.59 km) |
| McDonough to Oliveira de Azemeis | 4,069.48 mi (6,549.20 km) |
