| Altena to Grevena | 1,017.14 mi (1,636.92 km) |
| Altena to Ialysos | 1,439.22 mi (2,316.20 km) |
| Altena to Ilion | 1,203.34 mi (1,936.59 km) |
| Altena to Ilioupoli | 1,210.56 mi (1,948.20 km) |
| Altena to Ioannina | 1,023.59 mi (1,647.31 km) |
| Altena to Irakleio | 1,402.06 mi (2,256.39 km) |
| Altena to Irakleio | 1,204.50 mi (1,938.45 km) |
| Altena to Kaisariani | 1,208.84 mi (1,945.44 km) |
| Altena to Kalamaria | 1,038.85 mi (1,671.87 km) |
| Altena to Kalamata | 1,213.27 mi (1,952.57 km) |
| Altena to Kallithea | 1,208.05 mi (1,944.16 km) |
| Altena to Kalymnos | 1,368.36 mi (2,202.17 km) |
| Altena to Kalyvia Thorikou | 1,221.44 mi (1,965.72 km) |
| Altena to Kamatero | 1,202.23 mi (1,934.80 km) |
| Altena to Karditsa | 1,072.64 mi (1,726.25 km) |
