| Piqua to Elyria (Ohio) | 140.31 mi (225.80 km) |
| Piqua to Emeryville (California) | 2,033.86 mi (3,273.19 km) |
| Piqua to Emmaus (Pennsylvania) | 461.17 mi (742.18 km) |
| Piqua to Emporia (Kansas) | 649.88 mi (1,045.87 km) |
| Piqua to Encinitas (California) | 1,884.11 mi (3,032.18 km) |
| Piqua to Endicott (New York) | 446.30 mi (718.24 km) |
| Piqua to Endwell (New York) | 448.74 mi (722.17 km) |
| Piqua to Englewood (Colorado) | 1,097.95 mi (1,766.98 km) |
| Piqua to Englewood (Florida) | 917.00 mi (1,475.77 km) |
| Piqua to Englewood (New Jersey) | 541.54 mi (871.52 km) |
| Piqua to Englewood (Ohio) | 20.06 mi (32.28 km) |
| Piqua to Enid (Oklahoma) | 782.04 mi (1,258.57 km) |
| Piqua to Ennis (Texas) | 875.52 mi (1,409.01 km) |
| Piqua to Ensley (Florida) | 686.44 mi (1,104.72 km) |
| Piqua to Enterprise (Alabama) | 616.17 mi (991.63 km) |
