| Portimao to Glyka Nera | 1,765.75 mi (2,841.71 km) |
| Portimao to Grevena | 1,622.86 mi (2,611.74 km) |
| Portimao to Ialysos | 2,018.24 mi (3,248.04 km) |
| Portimao to Ilion | 1,757.36 mi (2,828.19 km) |
| Portimao to Ilioupoli | 1,761.03 mi (2,834.11 km) |
| Portimao to Ioannina | 1,593.81 mi (2,564.99 km) |
| Portimao to Irakleio | 1,870.80 mi (3,010.76 km) |
| Portimao to Irakleio | 1,760.79 mi (2,833.72 km) |
| Portimao to Kaisariani | 1,761.13 mi (2,834.27 km) |
| Portimao to Kalamaria | 1,701.57 mi (2,738.41 km) |
| Portimao to Kalamata | 1,681.86 mi (2,706.70 km) |
| Portimao to Kallithea | 1,758.17 mi (2,829.50 km) |
| Portimao to Kalymnos | 1,946.92 mi (3,133.26 km) |
| Portimao to Kalyvia Thorikou | 1,771.03 mi (2,850.21 km) |
| Portimao to Kamatero | 1,757.75 mi (2,828.82 km) |
