| Piqua to Hagerstown (Maryland) | 347.46 mi (559.19 km) |
| Piqua to Haines City (Florida) | 845.27 mi (1,360.32 km) |
| Piqua to Halawa (Hawaii) | 4,436.41 mi (7,139.71 km) |
| Piqua to Half Moon Bay (California) | 2,048.87 mi (3,297.34 km) |
| Piqua to Halfway (Maryland) | 345.13 mi (555.44 km) |
| Piqua to Hallandale Beach (Florida) | 1,006.80 mi (1,620.28 km) |
| Piqua to Haltom City (Texas) | 881.87 mi (1,419.24 km) |
| Piqua to Ham Lake (Minnesota) | 575.02 mi (925.40 km) |
| Piqua to Hamilton (Ohio) | 54.99 mi (88.51 km) |
| Piqua to Hamilton Square (New Jersey) | 506.05 mi (814.40 km) |
| Piqua to Hammond (Indiana) | 197.53 mi (317.90 km) |
| Piqua to Hammond (Louisiana) | 752.27 mi (1,210.66 km) |
| Piqua to Hammonton (New Jersey) | 503.19 mi (809.80 km) |
| Piqua to Hampton (Virginia) | 476.02 mi (766.08 km) |
| Piqua to Hampton Bays (New York) | 617.28 mi (993.42 km) |
