| Rio Grande City to Kocaali | 6,772.19 mi (10,898.79 km) |
| Rio Grande City to Kocaeli | 6,752.46 mi (10,867.04 km) |
| Rio Grande City to Konak | 6,758.29 mi (10,876.41 km) |
| Rio Grande City to Konakli | 7,033.01 mi (11,318.53 km) |
| Rio Grande City to Konya | 6,991.59 mi (11,251.87 km) |
| Rio Grande City to Koprukoy | 7,201.24 mi (11,589.28 km) |
| Rio Grande City to Korfez | 6,744.64 mi (10,854.45 km) |
| Rio Grande City to Korkut | 7,267.65 mi (11,696.15 km) |
| Rio Grande City to Kose | 7,118.13 mi (11,455.53 km) |
| Rio Grande City to Kovancilar | 7,206.65 mi (11,597.98 km) |
| Rio Grande City to Koyulhisar | 7,053.51 mi (11,351.53 km) |
| Rio Grande City to Kozan | 7,134.62 mi (11,482.06 km) |
| Rio Grande City to Kozlu | 6,785.65 mi (10,920.45 km) |
| Rio Grande City to Kozluk | 7,288.63 mi (11,729.92 km) |
| Rio Grande City to Kucuk Dalyan | 7,212.31 mi (11,607.10 km) |
