| Piqua to Lovington (New Mexico) | 1,168.30 mi (1,880.20 km) |
| Piqua to Lowell (Indiana) | 184.01 mi (296.13 km) |
| Piqua to Lowell (Massachusetts) | 690.73 mi (1,111.63 km) |
| Piqua to Lower Burrell (Pennsylvania) | 240.30 mi (386.73 km) |
| Piqua to Lowes Island (Virginia) | 374.63 mi (602.92 km) |
| Piqua to Lubbock (Texas) | 1,073.72 mi (1,727.99 km) |
| Piqua to Lufkin (Texas) | 846.02 mi (1,361.53 km) |
| Piqua to Luling (Louisiana) | 787.50 mi (1,267.35 km) |
| Piqua to Lumberton (North Carolina) | 476.99 mi (767.64 km) |
| Piqua to Lumberton (Texas) | 884.03 mi (1,422.71 km) |
| Piqua to Lutz (Florida) | 836.16 mi (1,345.68 km) |
| Piqua to Lynbrook (New York) | 556.89 mi (896.23 km) |
| Piqua to Lynchburg (Virginia) | 331.87 mi (534.10 km) |
| Piqua to Lynden (Washington) | 1,953.63 mi (3,144.07 km) |
| Piqua to Lyndhurst (Ohio) | 172.07 mi (276.91 km) |
