| Argostoli to Montemor-o-Novo | 1,548.03 mi (2,491.32 km) |
| Argostoli to Montemor-o-Velho | 1,561.62 mi (2,513.19 km) |
| Argostoli to Montijo | 1,584.23 mi (2,549.56 km) |
| Argostoli to Mortagua | 1,536.69 mi (2,473.07 km) |
| Argostoli to Moura | 1,512.13 mi (2,433.54 km) |
| Argostoli to Murtosa | 1,556.46 mi (2,504.89 km) |
| Argostoli to Nazare | 1,585.40 mi (2,551.45 km) |
| Argostoli to Nelas | 1,516.25 mi (2,440.16 km) |
| Argostoli to Obidos | 1,592.05 mi (2,562.15 km) |
| Argostoli to Odemira | 1,582.15 mi (2,546.22 km) |
| Argostoli to Odivelas | 1,598.13 mi (2,571.95 km) |
| Argostoli to Oeiras | 1,606.48 mi (2,585.37 km) |
| Argostoli to Olhao | 1,546.80 mi (2,489.33 km) |
| Argostoli to Oliveira de Azemeis | 1,547.83 mi (2,490.99 km) |
| Argostoli to Oliveira de Frades | 1,532.99 mi (2,467.11 km) |
