| Ronkonkoma to Montalegre | 3,305.58 mi (5,319.82 km) |
| Ronkonkoma to Montemor-o-Novo | 3,371.02 mi (5,425.14 km) |
| Ronkonkoma to Montemor-o-Velho | 3,306.20 mi (5,320.82 km) |
| Ronkonkoma to Montijo | 3,336.45 mi (5,369.50 km) |
| Ronkonkoma to Mortagua | 3,320.88 mi (5,344.45 km) |
| Ronkonkoma to Moura | 3,423.65 mi (5,509.83 km) |
| Ronkonkoma to Murtosa | 3,293.53 mi (5,300.42 km) |
| Ronkonkoma to Nazare | 3,302.86 mi (5,315.43 km) |
| Ronkonkoma to Nelas | 3,337.20 mi (5,370.70 km) |
| Ronkonkoma to Obidos | 3,305.02 mi (5,318.91 km) |
| Ronkonkoma to Odemira | 3,381.22 mi (5,441.54 km) |
| Ronkonkoma to Odivelas | 3,319.68 mi (5,342.50 km) |
| Ronkonkoma to Oeiras | 3,315.92 mi (5,336.46 km) |
| Ronkonkoma to Olhao | 3,437.06 mi (5,531.41 km) |
| Ronkonkoma to Oliveira de Azemeis | 3,298.37 mi (5,308.21 km) |
