| Donostia to Glyka Nera | 1,396.73 mi (2,247.83 km) |
| Donostia to Grevena | 1,223.79 mi (1,969.49 km) |
| Donostia to Ialysos | 1,657.24 mi (2,667.07 km) |
| Donostia to Ilion | 1,388.18 mi (2,234.07 km) |
| Donostia to Ilioupoli | 1,393.44 mi (2,242.52 km) |
| Donostia to Ioannina | 1,204.33 mi (1,938.18 km) |
| Donostia to Irakleio | 1,541.99 mi (2,481.59 km) |
| Donostia to Irakleio | 1,391.06 mi (2,238.69 km) |
| Donostia to Kaisariani | 1,392.88 mi (2,241.63 km) |
| Donostia to Kalamaria | 1,289.99 mi (2,076.04 km) |
| Donostia to Kalamata | 1,338.17 mi (2,153.57 km) |
| Donostia to Kallithea | 1,390.48 mi (2,237.76 km) |
| Donostia to Kalymnos | 1,581.93 mi (2,545.87 km) |
| Donostia to Kalyvia Thorikou | 1,404.54 mi (2,260.39 km) |
| Donostia to Kamatero | 1,388.06 mi (2,233.87 km) |
