| Piqua to Horizon West (Florida) | 822.70 mi (1,324.00 km) |
| Piqua to Hormigueros (Puerto Rico) | 1,830.93 mi (2,946.60 km) |
| Piqua to Horn Lake (Mississippi) | 479.56 mi (771.78 km) |
| Piqua to Hot Springs (Arkansas) | 621.65 mi (1,000.44 km) |
| Piqua to Hot Springs Village (Arkansas) | 610.35 mi (982.26 km) |
| Piqua to Houma (Louisiana) | 816.48 mi (1,313.99 km) |
| Piqua to Houston (Texas) | 952.83 mi (1,533.44 km) |
| Piqua to Howard (Wisconsin) | 363.03 mi (584.23 km) |
| Piqua to Huber Heights (Ohio) | 21.28 mi (34.24 km) |
| Piqua to Hudson (Florida) | 819.47 mi (1,318.81 km) |
| Piqua to Hudson (Ohio) | 165.00 mi (265.55 km) |
| Piqua to Hudson (Wisconsin) | 544.64 mi (876.51 km) |
| Piqua to Hueytown (Alabama) | 489.45 mi (787.70 km) |
| Piqua to Hugo (Minnesota) | 561.78 mi (904.09 km) |
| Piqua to Humacao (Puerto Rico) | 1,874.57 mi (3,016.83 km) |
