| Rio Grande City to Jozefow | 5,919.75 mi (9,526.91 km) |
| Rio Grande City to Kalisz | 5,829.50 mi (9,381.68 km) |
| Rio Grande City to Kamien Pomorski | 5,628.65 mi (9,058.43 km) |
| Rio Grande City to Kamienna Gora | 5,797.27 mi (9,329.80 km) |
| Rio Grande City to Karczew | 5,922.47 mi (9,531.29 km) |
| Rio Grande City to Kartuzy | 5,727.55 mi (9,217.61 km) |
| Rio Grande City to Katowice | 5,924.02 mi (9,533.78 km) |
| Rio Grande City to Kedzierzyn-Kozle | 5,891.80 mi (9,481.94 km) |
| Rio Grande City to Kepno | 5,845.69 mi (9,407.74 km) |
| Rio Grande City to Ketrzyn | 5,839.88 mi (9,398.38 km) |
| Rio Grande City to Kety | 5,946.47 mi (9,569.92 km) |
| Rio Grande City to Kielce | 5,954.10 mi (9,582.19 km) |
| Rio Grande City to Kielczow | 5,823.44 mi (9,371.92 km) |
| Rio Grande City to Klobuck | 5,893.86 mi (9,485.25 km) |
| Rio Grande City to Klodzko | 5,833.32 mi (9,387.82 km) |
