| Rietberg to Kastoria | 989.44 mi (1,592.35 km) |
| Rietberg to Katerini | 1,040.48 mi (1,674.48 km) |
| Rietberg to Keratsini | 1,205.71 mi (1,940.40 km) |
| Rietberg to Kerkyra | 1,004.80 mi (1,617.06 km) |
| Rietberg to Kiato | 1,178.08 mi (1,895.94 km) |
| Rietberg to Kifisia | 1,204.86 mi (1,939.04 km) |
| Rietberg to Kilkis | 1,012.07 mi (1,628.77 km) |
| Rietberg to Komotini | 1,090.63 mi (1,755.20 km) |
| Rietberg to Korinthos | 1,187.36 mi (1,910.88 km) |
| Rietberg to Koropi | 1,217.16 mi (1,958.83 km) |
| Rietberg to Korydallos | 1,205.72 mi (1,940.42 km) |
| Rietberg to Kos | 1,381.20 mi (2,222.82 km) |
| Rietberg to Kozani | 1,017.04 mi (1,636.77 km) |
| Rietberg to Lagos | 1,078.89 mi (1,736.31 km) |
| Rietberg to Lamia | 1,116.87 mi (1,797.43 km) |
