| Rockford to Lindon (Utah) | 1,179.86 mi (1,898.80 km) |
| Rockford to Lindsay (California) | 1,651.00 mi (2,657.03 km) |
| Rockford to Linganore (Maryland) | 644.95 mi (1,037.94 km) |
| Rockford to Lino Lakes (Minnesota) | 283.94 mi (456.96 km) |
| Rockford to Linthicum (Maryland) | 681.89 mi (1,097.39 km) |
| Rockford to Linton Hall (Virginia) | 649.64 mi (1,045.49 km) |
| Rockford to Lisle (Illinois) | 59.58 mi (95.89 km) |
| Rockford to Lithia Springs (Georgia) | 632.94 mi (1,018.63 km) |
| Rockford to Little Canada (Minnesota) | 277.31 mi (446.29 km) |
| Rockford to Little Chute (Wisconsin) | 145.22 mi (233.71 km) |
| Rockford to Little Elm (Texas) | 759.37 mi (1,222.09 km) |
| Rockford to Little Ferry (New Jersey) | 781.96 mi (1,258.44 km) |
| Rockford to Little Rock (Arkansas) | 550.06 mi (885.23 km) |
| Rockford to Littleton (Colorado) | 851.69 mi (1,370.67 km) |
| Rockford to Live Oak (California) | 1,777.67 mi (2,860.88 km) |
