| Rapid City to Karditsa | 5,736.23 mi (9,231.57 km) |
| Rapid City to Kastoria | 5,651.88 mi (9,095.83 km) |
| Rapid City to Katerini | 5,704.29 mi (9,180.17 km) |
| Rapid City to Keratsini | 5,868.32 mi (9,444.15 km) |
| Rapid City to Kerkyra | 5,658.20 mi (9,105.99 km) |
| Rapid City to Kiato | 5,838.44 mi (9,396.06 km) |
| Rapid City to Kifisia | 5,868.01 mi (9,443.65 km) |
| Rapid City to Kilkis | 5,675.51 mi (9,133.85 km) |
| Rapid City to Komotini | 5,745.42 mi (9,246.37 km) |
| Rapid City to Korinthos | 5,848.11 mi (9,411.63 km) |
| Rapid City to Koropi | 5,880.14 mi (9,463.18 km) |
| Rapid City to Korydallos | 5,868.43 mi (9,444.32 km) |
| Rapid City to Kos | 6,043.72 mi (9,726.43 km) |
| Rapid City to Kozani | 5,680.11 mi (9,141.25 km) |
| Rapid City to Lagos | 5,735.76 mi (9,230.81 km) |
