| Piqua to Des Plaines (Illinois) | 230.62 mi (371.14 km) |
| Piqua to Desert Hot Springs (California) | 1,820.96 mi (2,930.55 km) |
| Piqua to DeSoto (Texas) | 873.20 mi (1,405.27 km) |
| Piqua to Destin (Florida) | 685.57 mi (1,103.32 km) |
| Piqua to Destrehan (Louisiana) | 783.99 mi (1,261.70 km) |
| Piqua to Detroit (Michigan) | 165.27 mi (265.97 km) |
| Piqua to Diamond Bar (California) | 1,886.93 mi (3,036.71 km) |
| Piqua to Diamond Springs (California) | 1,942.00 mi (3,125.35 km) |
| Piqua to Dickinson (North Dakota) | 1,035.97 mi (1,667.24 km) |
| Piqua to Dickinson (Texas) | 958.93 mi (1,543.25 km) |
| Piqua to Dickson (Tennessee) | 329.42 mi (530.15 km) |
| Piqua to Difficult Run (Virginia) | 377.45 mi (607.45 km) |
| Piqua to Dinuba (California) | 1,908.58 mi (3,071.57 km) |
| Piqua to Discovery Bay (California) | 1,996.22 mi (3,212.60 km) |
| Piqua to Dix Hills (New York) | 574.62 mi (924.75 km) |
