| Rio Maior to Glyka Nera | 1,761.32 mi (2,834.58 km) |
| Rio Maior to Grevena | 1,606.76 mi (2,585.82 km) |
| Rio Maior to Ialysos | 2,018.32 mi (3,248.17 km) |
| Rio Maior to Ilion | 1,752.81 mi (2,820.87 km) |
| Rio Maior to Ilioupoli | 1,757.05 mi (2,827.70 km) |
| Rio Maior to Ioannina | 1,580.84 mi (2,544.11 km) |
| Rio Maior to Irakleio | 1,880.45 mi (3,026.30 km) |
| Rio Maior to Irakleio | 1,756.08 mi (2,826.13 km) |
| Rio Maior to Kaisariani | 1,756.93 mi (2,827.50 km) |
| Rio Maior to Kalamaria | 1,681.54 mi (2,706.18 km) |
| Rio Maior to Kalamata | 1,685.11 mi (2,711.92 km) |
| Rio Maior to Kallithea | 1,754.13 mi (2,823.00 km) |
| Rio Maior to Kalymnos | 1,945.18 mi (3,130.47 km) |
| Rio Maior to Kalyvia Thorikou | 1,767.51 mi (2,844.53 km) |
| Rio Maior to Kamatero | 1,753.03 mi (2,821.22 km) |
