| Osterwieck to Grevena | 966.22 mi (1,554.98 km) |
| Osterwieck to Ialysos | 1,371.06 mi (2,206.51 km) |
| Osterwieck to Ilion | 1,149.06 mi (1,849.23 km) |
| Osterwieck to Ilioupoli | 1,156.42 mi (1,861.08 km) |
| Osterwieck to Ioannina | 978.10 mi (1,574.10 km) |
| Osterwieck to Irakleio | 1,350.62 mi (2,173.62 km) |
| Osterwieck to Irakleio | 1,149.81 mi (1,850.44 km) |
| Osterwieck to Kaisariani | 1,154.52 mi (1,858.03 km) |
| Osterwieck to Kalamaria | 976.95 mi (1,572.25 km) |
| Osterwieck to Kalamata | 1,171.22 mi (1,884.90 km) |
| Osterwieck to Kallithea | 1,154.10 mi (1,857.34 km) |
| Osterwieck to Kalymnos | 1,302.91 mi (2,096.83 km) |
| Osterwieck to Kalyvia Thorikou | 1,166.87 mi (1,877.89 km) |
| Osterwieck to Kamatero | 1,147.78 mi (1,847.17 km) |
| Osterwieck to Karditsa | 1,022.24 mi (1,645.14 km) |
