| West Mifflin to Lindon (Utah) | 1,665.91 mi (2,681.02 km) |
| West Mifflin to Lindsay (California) | 2,126.82 mi (3,422.78 km) |
| West Mifflin to Linganore (Maryland) | 152.81 mi (245.93 km) |
| West Mifflin to Lino Lakes (Minnesota) | 745.18 mi (1,199.25 km) |
| West Mifflin to Linthicum (Maryland) | 189.68 mi (305.27 km) |
| West Mifflin to Linton Hall (Virginia) | 166.43 mi (267.85 km) |
| West Mifflin to Lisle (Illinois) | 437.32 mi (703.79 km) |
| West Mifflin to Lithia Springs (Georgia) | 524.03 mi (843.35 km) |
| West Mifflin to Little Canada (Minnesota) | 741.70 mi (1,193.64 km) |
| West Mifflin to Little Chute (Wisconsin) | 508.08 mi (817.67 km) |
| West Mifflin to Little Elm (Texas) | 1,061.92 mi (1,709.00 km) |
| West Mifflin to Little Ferry (New Jersey) | 309.64 mi (498.31 km) |
| West Mifflin to Little Rock (Arkansas) | 784.21 mi (1,262.06 km) |
| West Mifflin to Littleton (Colorado) | 1,326.19 mi (2,134.30 km) |
| West Mifflin to Live Oak (California) | 2,260.12 mi (3,637.32 km) |
