| Richardson to Karditsa | 6,081.96 mi (9,787.96 km) |
| Richardson to Kastoria | 6,003.00 mi (9,660.90 km) |
| Richardson to Katerini | 6,062.53 mi (9,756.69 km) |
| Richardson to Keratsini | 6,215.00 mi (10,002.08 km) |
| Richardson to Kerkyra | 5,990.93 mi (9,641.47 km) |
| Richardson to Kiato | 6,178.59 mi (9,943.47 km) |
| Richardson to Kifisia | 6,217.32 mi (10,005.80 km) |
| Richardson to Kilkis | 6,042.84 mi (9,725.01 km) |
| Richardson to Komotini | 6,133.01 mi (9,870.12 km) |
| Richardson to Korinthos | 6,189.04 mi (9,960.30 km) |
| Richardson to Koropi | 6,228.30 mi (10,023.48 km) |
| Richardson to Korydallos | 6,215.53 mi (10,002.92 km) |
| Richardson to Kos | 6,410.32 mi (10,316.41 km) |
| Richardson to Kozani | 6,033.18 mi (9,709.47 km) |
| Richardson to Lagos | 6,120.09 mi (9,849.34 km) |
