| Romeoville to Kingsville (Texas) | 1,120.93 mi (1,803.97 km) |
| Romeoville to Kinston (North Carolina) | 717.46 mi (1,154.64 km) |
| Romeoville to Kirkland (Washington) | 1,712.57 mi (2,756.12 km) |
| Romeoville to Kirksville (Missouri) | 253.75 mi (408.37 km) |
| Romeoville to Kirkwood (Missouri) | 243.98 mi (392.64 km) |
| Romeoville to Kiryas Joel (New York) | 720.65 mi (1,159.77 km) |
| Romeoville to Kissimmee (Florida) | 994.73 mi (1,600.87 km) |
| Romeoville to Klamath Falls (Oregon) | 1,720.28 mi (2,768.52 km) |
| Romeoville to Knightdale (North Carolina) | 655.73 mi (1,055.30 km) |
| Romeoville to Knik-Fairview (Alaska) | 2,837.88 mi (4,567.13 km) |
| Romeoville to Knoxville (Tennessee) | 450.43 mi (724.89 km) |
| Romeoville to Kokomo (Indiana) | 130.64 mi (210.25 km) |
| Romeoville to Kuna (Idaho) | 1,438.65 mi (2,315.29 km) |
| Romeoville to Kyle (Texas) | 971.78 mi (1,563.94 km) |
| Romeoville to La Cañada Flintridge (California) | 1,708.89 mi (2,750.19 km) |
