| Rietberg to Grevena | 1,019.00 mi (1,639.92 km) |
| Rietberg to Ialysos | 1,435.23 mi (2,309.78 km) |
| Rietberg to Ilion | 1,204.30 mi (1,938.13 km) |
| Rietberg to Ilioupoli | 1,211.58 mi (1,949.85 km) |
| Rietberg to Ioannina | 1,027.41 mi (1,653.46 km) |
| Rietberg to Irakleio | 1,404.29 mi (2,259.99 km) |
| Rietberg to Irakleio | 1,205.31 mi (1,939.75 km) |
| Rietberg to Kaisariani | 1,209.79 mi (1,946.97 km) |
| Rietberg to Kalamaria | 1,036.73 mi (1,668.45 km) |
| Rietberg to Kalamata | 1,218.63 mi (1,961.20 km) |
| Rietberg to Kallithea | 1,209.13 mi (1,945.91 km) |
| Rietberg to Kalymnos | 1,365.35 mi (2,197.31 km) |
| Rietberg to Kalyvia Thorikou | 1,222.31 mi (1,967.12 km) |
| Rietberg to Kamatero | 1,203.12 mi (1,936.24 km) |
| Rietberg to Karditsa | 1,074.80 mi (1,729.72 km) |
