| East Islip to Montalegre | 3,310.75 mi (5,328.14 km) |
| East Islip to Montemor-o-Novo | 3,375.93 mi (5,433.03 km) |
| East Islip to Montemor-o-Velho | 3,311.22 mi (5,328.90 km) |
| East Islip to Montijo | 3,341.34 mi (5,377.37 km) |
| East Islip to Mortagua | 3,325.94 mi (5,352.58 km) |
| East Islip to Moura | 3,428.53 mi (5,517.69 km) |
| East Islip to Murtosa | 3,298.59 mi (5,308.57 km) |
| East Islip to Nazare | 3,307.82 mi (5,323.42 km) |
| East Islip to Nelas | 3,342.27 mi (5,378.86 km) |
| East Islip to Obidos | 3,309.95 mi (5,326.85 km) |
| East Islip to Odemira | 3,386.02 mi (5,449.27 km) |
| East Islip to Odivelas | 3,324.56 mi (5,350.37 km) |
| East Islip to Oeiras | 3,320.80 mi (5,344.30 km) |
| East Islip to Olhao | 3,441.84 mi (5,539.10 km) |
| East Islip to Oliveira de Azemeis | 3,303.45 mi (5,316.38 km) |
