| Rio Grande City to Kihei (Hawaii) | 3,640.74 mi (5,859.21 km) |
| Rio Grande City to Kilgore (Texas) | 479.18 mi (771.16 km) |
| Rio Grande City to Killeen (Texas) | 331.03 mi (532.74 km) |
| Rio Grande City to King City (California) | 1,477.13 mi (2,377.22 km) |
| Rio Grande City to King of Prussia (Pennsylvania) | 1,644.66 mi (2,646.83 km) |
| Rio Grande City to Kingman (Arizona) | 1,086.63 mi (1,748.76 km) |
| Rio Grande City to Kings Mountain (North Carolina) | 1,201.08 mi (1,932.96 km) |
| Rio Grande City to Kings Park (New York) | 1,769.42 mi (2,847.61 km) |
| Rio Grande City to Kings Park West (Virginia) | 1,512.90 mi (2,434.78 km) |
| Rio Grande City to Kingsburg (California) | 1,404.49 mi (2,260.31 km) |
| Rio Grande City to Kingsland (Georgia) | 1,080.39 mi (1,738.71 km) |
| Rio Grande City to Kingsport (Tennessee) | 1,185.14 mi (1,907.29 km) |
| Rio Grande City to Kingston (New York) | 1,768.93 mi (2,846.82 km) |
| Rio Grande City to Kingston (Pennsylvania) | 1,661.42 mi (2,673.80 km) |
| Rio Grande City to Kingstowne (Virginia) | 1,518.40 mi (2,443.63 km) |
