| Irving to Montalegre | 4,714.69 mi (7,587.57 km) |
| Irving to Montemor-o-Novo | 4,789.60 mi (7,708.12 km) |
| Irving to Montemor-o-Velho | 4,721.61 mi (7,598.70 km) |
| Irving to Montijo | 4,755.46 mi (7,653.17 km) |
| Irving to Mortagua | 4,735.11 mi (7,620.42 km) |
| Irving to Moura | 4,842.67 mi (7,793.53 km) |
| Irving to Murtosa | 4,707.26 mi (7,575.61 km) |
| Irving to Nazare | 4,720.04 mi (7,596.16 km) |
| Irving to Nelas | 4,750.78 mi (7,645.65 km) |
| Irving to Obidos | 4,722.82 mi (7,600.64 km) |
| Irving to Odemira | 4,801.86 mi (7,727.85 km) |
| Irving to Odivelas | 4,738.67 mi (7,626.15 km) |
| Irving to Oeiras | 4,735.20 mi (7,620.58 km) |
| Irving to Olhao | 4,858.03 mi (7,818.25 km) |
| Irving to Oliveira de Azemeis | 4,711.61 mi (7,582.60 km) |
