| Ioannina to Montemor-o-Novo | 1,552.17 mi (2,497.98 km) |
| Ioannina to Montemor-o-Velho | 1,558.35 mi (2,507.92 km) |
| Ioannina to Montijo | 1,587.77 mi (2,555.27 km) |
| Ioannina to Mortagua | 1,532.31 mi (2,466.02 km) |
| Ioannina to Moura | 1,519.25 mi (2,444.99 km) |
| Ioannina to Murtosa | 1,550.52 mi (2,495.31 km) |
| Ioannina to Nazare | 1,584.61 mi (2,550.18 km) |
| Ioannina to Nelas | 1,511.60 mi (2,432.68 km) |
| Ioannina to Obidos | 1,592.33 mi (2,562.60 km) |
| Ioannina to Odemira | 1,590.94 mi (2,560.37 km) |
| Ioannina to Odivelas | 1,601.01 mi (2,576.58 km) |
| Ioannina to Oeiras | 1,609.76 mi (2,590.66 km) |
| Ioannina to Olhao | 1,558.81 mi (2,508.67 km) |
| Ioannina to Oliveira de Azemeis | 1,541.42 mi (2,480.67 km) |
| Ioannina to Oliveira de Frades | 1,527.26 mi (2,457.89 km) |
