| Keystone to Lindsay (California) | 2,191.94 mi (3,527.58 km) |
| Keystone to Linganore (Maryland) | 836.34 mi (1,345.96 km) |
| Keystone to Lino Lakes (Minnesota) | 1,310.08 mi (2,108.38 km) |
| Keystone to Linthicum (Maryland) | 837.56 mi (1,347.92 km) |
| Keystone to Linton Hall (Virginia) | 788.78 mi (1,269.42 km) |
| Keystone to Lisle (Illinois) | 993.13 mi (1,598.29 km) |
| Keystone to Lithia Springs (Georgia) | 408.78 mi (657.87 km) |
| Keystone to Little Canada (Minnesota) | 1,301.55 mi (2,094.64 km) |
| Keystone to Little Chute (Wisconsin) | 1,160.39 mi (1,867.47 km) |
| Keystone to Little Elm (Texas) | 919.45 mi (1,479.71 km) |
| Keystone to Little Ferry (New Jersey) | 1,003.50 mi (1,614.98 km) |
| Keystone to Little Rock (Arkansas) | 733.19 mi (1,179.95 km) |
| Keystone to Littleton (Colorado) | 1,503.94 mi (2,420.36 km) |
| Keystone to Live Oak (California) | 2,355.50 mi (3,790.82 km) |
| Keystone to Live Oak (Texas) | 956.97 mi (1,540.09 km) |
