| Aytos to Montemor-o-Novo | 1,865.51 mi (3,002.24 km) |
| Aytos to Montemor-o-Velho | 1,855.52 mi (2,986.17 km) |
| Aytos to Montijo | 1,899.34 mi (3,056.69 km) |
| Aytos to Mortagua | 1,827.45 mi (2,941.00 km) |
| Aytos to Moura | 1,839.13 mi (2,959.80 km) |
| Aytos to Murtosa | 1,841.71 mi (2,963.94 km) |
| Aytos to Nazare | 1,886.88 mi (3,036.64 km) |
| Aytos to Nelas | 1,806.50 mi (2,907.28 km) |
| Aytos to Obidos | 1,896.83 mi (3,052.66 km) |
| Aytos to Odemira | 1,913.12 mi (3,078.87 km) |
| Aytos to Odivelas | 1,910.98 mi (3,075.42 km) |
| Aytos to Oeiras | 1,920.45 mi (3,090.66 km) |
| Aytos to Olhao | 1,887.63 mi (3,037.85 km) |
| Aytos to Oliveira de Azemeis | 1,831.71 mi (2,947.85 km) |
| Aytos to Oliveira de Frades | 1,819.40 mi (2,928.04 km) |
