| Rockville to Kihei (Hawaii) | 4,767.29 mi (7,672.22 km) |
| Rockville to Kilgore (Texas) | 1,092.56 mi (1,758.30 km) |
| Rockville to Killeen (Texas) | 1,284.21 mi (2,066.73 km) |
| Rockville to King City (California) | 2,390.51 mi (3,847.16 km) |
| Rockville to King of Prussia (Pennsylvania) | 117.52 mi (189.13 km) |
| Rockville to Kingman (Arizona) | 2,033.15 mi (3,272.04 km) |
| Rockville to Kings Mountain (North Carolina) | 352.13 mi (566.70 km) |
| Rockville to Kings Park (New York) | 241.51 mi (388.68 km) |
| Rockville to Kings Park West (Virginia) | 20.02 mi (32.22 km) |
| Rockville to Kingsburg (California) | 2,300.71 mi (3,702.64 km) |
| Rockville to Kingsland (Georgia) | 626.58 mi (1,008.38 km) |
| Rockville to Kingsport (Tennessee) | 343.27 mi (552.44 km) |
| Rockville to Kingston (New York) | 257.26 mi (414.01 km) |
| Rockville to Kingston (Pennsylvania) | 164.93 mi (265.43 km) |
| Rockville to Kingstowne (Virginia) | 22.18 mi (35.69 km) |
