| Frechen to Grevena | 1,026.27 mi (1,651.62 km) |
| Frechen to Ialysos | 1,453.12 mi (2,338.57 km) |
| Frechen to Ilion | 1,213.00 mi (1,952.14 km) |
| Frechen to Ilioupoli | 1,220.15 mi (1,963.64 km) |
| Frechen to Ioannina | 1,030.88 mi (1,659.04 km) |
| Frechen to Irakleio | 1,410.28 mi (2,269.62 km) |
| Frechen to Irakleio | 1,214.29 mi (1,954.21 km) |
| Frechen to Kaisariani | 1,218.50 mi (1,960.98 km) |
| Frechen to Kalamaria | 1,051.61 mi (1,692.40 km) |
| Frechen to Kalamata | 1,218.78 mi (1,961.43 km) |
| Frechen to Kallithea | 1,217.58 mi (1,959.51 km) |
| Frechen to Kalymnos | 1,381.46 mi (2,223.24 km) |
| Frechen to Kalyvia Thorikou | 1,231.15 mi (1,981.35 km) |
| Frechen to Kamatero | 1,211.95 mi (1,950.44 km) |
| Frechen to Karditsa | 1,081.40 mi (1,740.34 km) |
