| Rockford to Kihei (Hawaii) | 4,124.65 mi (6,637.98 km) |
| Rockford to Kilgore (Texas) | 751.63 mi (1,209.64 km) |
| Rockford to Killeen (Texas) | 908.68 mi (1,462.38 km) |
| Rockford to King City (California) | 1,755.03 mi (2,824.44 km) |
| Rockford to King of Prussia (Pennsylvania) | 726.19 mi (1,168.69 km) |
| Rockford to Kingman (Arizona) | 1,423.51 mi (2,290.92 km) |
| Rockford to Kings Mountain (North Carolina) | 638.45 mi (1,027.49 km) |
| Rockford to Kings Park (New York) | 821.80 mi (1,322.57 km) |
| Rockford to Kings Park West (Virginia) | 661.47 mi (1,064.54 km) |
| Rockford to Kingsburg (California) | 1,666.27 mi (2,681.61 km) |
| Rockford to Kingsland (Georgia) | 888.47 mi (1,429.86 km) |
| Rockford to Kingsport (Tennessee) | 527.19 mi (848.44 km) |
| Rockford to Kingston (New York) | 771.82 mi (1,242.13 km) |
| Rockford to Kingston (Pennsylvania) | 681.86 mi (1,097.34 km) |
| Rockford to Kingstowne (Virginia) | 670.41 mi (1,078.92 km) |
