| Piqua to Deventer | 4,115.28 mi (6,622.91 km) |
| Piqua to Diemen | 4,068.17 mi (6,547.08 km) |
| Piqua to Doesburg | 4,122.13 mi (6,633.92 km) |
| Piqua to Doetinchem | 4,130.01 mi (6,646.61 km) |
| Piqua to Dokkum | 4,075.59 mi (6,559.04 km) |
| Piqua to Dongen | 4,088.82 mi (6,580.32 km) |
| Piqua to Doorn | 4,092.04 mi (6,585.50 km) |
| Piqua to Dordrecht | 4,074.00 mi (6,556.47 km) |
| Piqua to Drachten | 4,086.47 mi (6,576.53 km) |
| Piqua to Drimmelen | 4,082.16 mi (6,569.61 km) |
| Piqua to Dronten | 4,090.59 mi (6,583.16 km) |
| Piqua to Druten | 4,106.25 mi (6,608.37 km) |
| Piqua to Duiven | 4,120.50 mi (6,631.30 km) |
| Piqua to Echt | 4,142.20 mi (6,666.23 km) |
| Piqua to Edam | 4,065.60 mi (6,542.94 km) |
