| Donostia to Grigiskes | 1,442.68 mi (2,321.77 km) |
| Donostia to Ignalina | 1,499.44 mi (2,413.12 km) |
| Donostia to Jonava | 1,423.47 mi (2,290.85 km) |
| Donostia to Joniskis | 1,434.37 mi (2,308.39 km) |
| Donostia to Jurbarkas | 1,369.50 mi (2,204.00 km) |
| Donostia to Kaisiadorys | 1,423.98 mi (2,291.68 km) |
| Donostia to Kalvarija | 1,366.38 mi (2,198.97 km) |
| Donostia to Kaunas | 1,404.27 mi (2,259.96 km) |
| Donostia to Kazlu Ruda | 1,386.09 mi (2,230.70 km) |
| Donostia to Kedainiai | 1,418.19 mi (2,282.35 km) |
| Donostia to Kelme | 1,392.39 mi (2,240.83 km) |
| Donostia to Klaipeda | 1,335.92 mi (2,149.96 km) |
| Donostia to Kretinga | 1,343.34 mi (2,161.89 km) |
| Donostia to Kupiskis | 1,469.57 mi (2,365.05 km) |
| Donostia to Kursenai | 1,403.02 mi (2,257.95 km) |
