| Oer-Erkenschwick to Grevena | 1,046.45 mi (1,684.10 km) |
| Oer-Erkenschwick to Ialysos | 1,467.83 mi (2,362.24 km) |
| Oer-Erkenschwick to Ilion | 1,232.59 mi (1,983.66 km) |
| Oer-Erkenschwick to Ilioupoli | 1,239.81 mi (1,995.28 km) |
| Oer-Erkenschwick to Ioannina | 1,053.07 mi (1,694.74 km) |
| Oer-Erkenschwick to Irakleio | 1,431.43 mi (2,303.67 km) |
| Oer-Erkenschwick to Irakleio | 1,233.73 mi (1,985.49 km) |
| Oer-Erkenschwick to Kaisariani | 1,238.09 mi (1,992.51 km) |
| Oer-Erkenschwick to Kalamaria | 1,067.70 mi (1,718.30 km) |
| Oer-Erkenschwick to Kalamata | 1,242.84 mi (2,000.16 km) |
| Oer-Erkenschwick to Kallithea | 1,237.31 mi (1,991.25 km) |
| Oer-Erkenschwick to Kalymnos | 1,397.12 mi (2,248.45 km) |
| Oer-Erkenschwick to Kalyvia Thorikou | 1,250.68 mi (2,012.77 km) |
| Oer-Erkenschwick to Kamatero | 1,231.47 mi (1,981.86 km) |
| Oer-Erkenschwick to Karditsa | 1,101.99 mi (1,773.48 km) |
