| Piqua to Mill Creek (Washington) | 1,938.66 mi (3,119.98 km) |
| Piqua to Mill Creek East (Washington) | 1,937.86 mi (3,118.69 km) |
| Piqua to Mill Valley (California) | 2,045.50 mi (3,291.91 km) |
| Piqua to Millbrae (California) | 2,044.33 mi (3,290.04 km) |
| Piqua to Millbrook (Alabama) | 541.50 mi (871.46 km) |
| Piqua to Millcreek (Utah) | 1,445.52 mi (2,326.34 km) |
| Piqua to Milledgeville (Georgia) | 491.17 mi (790.46 km) |
| Piqua to Miller Place (New York) | 593.16 mi (954.60 km) |
| Piqua to Millington (Tennessee) | 453.85 mi (730.41 km) |
| Piqua to Millville (New Jersey) | 490.53 mi (789.44 km) |
| Piqua to Milpitas (California) | 2,020.97 mi (3,252.43 km) |
| Piqua to Milton (Georgia) | 415.63 mi (668.90 km) |
| Piqua to Milwaukee (Wisconsin) | 278.38 mi (448.01 km) |
| Piqua to Milwaukie (Oregon) | 1,960.45 mi (3,155.04 km) |
| Piqua to Minden (Louisiana) | 722.55 mi (1,162.84 km) |
