| Piqua to Denizli | 5,599.74 mi (9,011.91 km) |
| Piqua to Derecik | 6,183.78 mi (9,951.83 km) |
| Piqua to Dereli | 5,789.83 mi (9,317.84 km) |
| Piqua to Derik | 6,031.78 mi (9,707.21 km) |
| Piqua to Derinkuyu | 5,782.21 mi (9,305.56 km) |
| Piqua to Develi | 5,808.94 mi (9,348.58 km) |
| Piqua to Dicle | 5,970.95 mi (9,609.32 km) |
| Piqua to Digor | 5,972.96 mi (9,612.56 km) |
| Piqua to Dikili | 5,451.70 mi (8,773.67 km) |
| Piqua to Divrigi | 5,850.92 mi (9,416.15 km) |
| Piqua to Diyadin | 6,027.41 mi (9,700.19 km) |
| Piqua to Diyarbakir | 6,001.58 mi (9,658.61 km) |
| Piqua to Doganhisar | 5,680.42 mi (9,141.76 km) |
| Piqua to Dogansehir | 5,909.43 mi (9,510.31 km) |
| Piqua to Dogubayazit | 6,040.04 mi (9,720.51 km) |
