| Piqua to Kingsville (Texas) | 1,169.17 mi (1,881.59 km) |
| Piqua to Kinston (North Carolina) | 495.32 mi (797.15 km) |
| Piqua to Kirkland (Washington) | 1,938.44 mi (3,119.61 km) |
| Piqua to Kirksville (Missouri) | 439.67 mi (707.59 km) |
| Piqua to Kirkwood (Missouri) | 347.24 mi (558.83 km) |
| Piqua to Kiryas Joel (New York) | 533.57 mi (858.70 km) |
| Piqua to Kissimmee (Florida) | 834.16 mi (1,342.45 km) |
| Piqua to Klamath Falls (Oregon) | 1,941.03 mi (3,123.79 km) |
| Piqua to Knightdale (North Carolina) | 434.24 mi (698.85 km) |
| Piqua to Knik-Fairview (Alaska) | 3,044.33 mi (4,899.37 km) |
| Piqua to Knoxville (Tennessee) | 289.35 mi (465.66 km) |
| Piqua to Kokomo (Indiana) | 101.58 mi (163.48 km) |
| Piqua to Kuna (Idaho) | 1,660.90 mi (2,672.96 km) |
| Piqua to Kyle (Texas) | 1,040.56 mi (1,674.61 km) |
| Piqua to La Cañada Flintridge (California) | 1,901.59 mi (3,060.31 km) |
