| Piqua to Watervliet (New York) | 573.58 mi (923.09 km) |
| Piqua to Watsonville (California) | 2,025.31 mi (3,259.42 km) |
| Piqua to Wauconda (Illinois) | 249.88 mi (402.14 km) |
| Piqua to Waukee (Iowa) | 513.33 mi (826.12 km) |
| Piqua to Waukegan (Illinois) | 242.88 mi (390.87 km) |
| Piqua to Waukesha (Wisconsin) | 285.92 mi (460.14 km) |
| Piqua to Waunakee (Wisconsin) | 340.40 mi (547.81 km) |
| Piqua to Waupun (Wisconsin) | 333.47 mi (536.66 km) |
| Piqua to Wausau (Wisconsin) | 431.18 mi (693.91 km) |
| Piqua to Wauwatosa (Wisconsin) | 280.66 mi (451.68 km) |
| Piqua to Waverly (Iowa) | 461.50 mi (742.71 km) |
| Piqua to Waverly (Michigan) | 180.06 mi (289.78 km) |
| Piqua to Waxahachie (Texas) | 881.17 mi (1,418.10 km) |
| Piqua to Waxhaw (North Carolina) | 408.03 mi (656.67 km) |
| Piqua to Waycross (Georgia) | 626.64 mi (1,008.48 km) |
