| Piqua to Murphy (Texas) | 843.38 mi (1,357.28 km) |
| Piqua to Murray (Kentucky) | 329.22 mi (529.83 km) |
| Piqua to Murray (Utah) | 1,448.91 mi (2,331.79 km) |
| Piqua to Murraysville (North Carolina) | 536.24 mi (863.00 km) |
| Piqua to Murrieta (California) | 1,865.63 mi (3,002.44 km) |
| Piqua to Murrysville (Pennsylvania) | 242.64 mi (390.49 km) |
| Piqua to Muscatine (Iowa) | 367.49 mi (591.42 km) |
| Piqua to Muscle Shoals (Alabama) | 417.25 mi (671.50 km) |
| Piqua to Muscoy (California) | 1,858.04 mi (2,990.22 km) |
| Piqua to Muskego (Wisconsin) | 275.83 mi (443.90 km) |
| Piqua to Muskegon (Michigan) | 236.61 mi (380.78 km) |
| Piqua to Muskogee (Oklahoma) | 677.05 mi (1,089.60 km) |
| Piqua to Mustang (Oklahoma) | 805.21 mi (1,295.86 km) |
| Piqua to Myers Corner (New York) | 550.21 mi (885.47 km) |
| Piqua to Myrtle Beach (South Carolina) | 534.25 mi (859.79 km) |
