| Romeoville to Lovington (New Mexico) | 1,028.93 mi (1,655.90 km) |
| Romeoville to Lowell (Indiana) | 42.34 mi (68.14 km) |
| Romeoville to Lowell (Massachusetts) | 861.04 mi (1,385.72 km) |
| Romeoville to Lower Burrell (Pennsylvania) | 442.36 mi (711.91 km) |
| Romeoville to Lowes Island (Virginia) | 593.03 mi (954.39 km) |
| Romeoville to Lubbock (Texas) | 936.31 mi (1,506.85 km) |
| Romeoville to Lufkin (Texas) | 801.27 mi (1,289.52 km) |
| Romeoville to Luling (Louisiana) | 820.23 mi (1,320.03 km) |
| Romeoville to Lumberton (North Carolina) | 690.28 mi (1,110.90 km) |
| Romeoville to Lumberton (Texas) | 856.41 mi (1,378.26 km) |
| Romeoville to Lutz (Florida) | 985.13 mi (1,585.42 km) |
| Romeoville to Lynbrook (New York) | 752.69 mi (1,211.34 km) |
| Romeoville to Lynchburg (Virginia) | 557.20 mi (896.72 km) |
| Romeoville to Lynden (Washington) | 1,728.07 mi (2,781.05 km) |
| Romeoville to Lyndhurst (Ohio) | 341.54 mi (549.65 km) |
