| Piqua to Kalispell (Montana) | 1,578.99 mi (2,541.13 km) |
| Piqua to Kaneohe (Hawaii) | 4,428.46 mi (7,126.91 km) |
| Piqua to Kankakee (Illinois) | 200.88 mi (323.29 km) |
| Piqua to Kannapolis (North Carolina) | 378.05 mi (608.41 km) |
| Piqua to Kansas City (Kansas) | 562.85 mi (905.82 km) |
| Piqua to Kansas City (Missouri) | 552.83 mi (889.69 km) |
| Piqua to Kapaa (Hawaii) | 4,482.79 mi (7,214.36 km) |
| Piqua to Kapolei (Hawaii) | 4,445.65 mi (7,154.58 km) |
| Piqua to Katy (Texas) | 969.38 mi (1,560.07 km) |
| Piqua to Kaukauna (Wisconsin) | 351.49 mi (565.67 km) |
| Piqua to Kaysville (Utah) | 1,448.62 mi (2,331.32 km) |
| Piqua to Kearney (Missouri) | 539.85 mi (868.81 km) |
| Piqua to Kearney (Nebraska) | 780.49 mi (1,256.08 km) |
| Piqua to Kearns (Utah) | 1,455.23 mi (2,341.96 km) |
| Piqua to Kearny (New Jersey) | 533.61 mi (858.76 km) |
