| Piqua to Yuncos | 4,086.18 mi (6,576.07 km) |
| Piqua to Zafra | 4,021.30 mi (6,471.66 km) |
| Piqua to Zamora | 3,953.01 mi (6,361.76 km) |
| Piqua to Zaragoza | 4,170.45 mi (6,711.70 km) |
| Piqua to Zarautz | 4,059.23 mi (6,532.70 km) |
| Piqua to Zuera | 4,167.38 mi (6,706.74 km) |
| Piqua to Zumaia | 4,054.77 mi (6,525.52 km) |
| Piqua to Zumarraga | 4,058.97 mi (6,532.28 km) |
| Piqua to Longyearbyen | 3,648.94 mi (5,872.40 km) |
| Piqua to Ahus | 4,279.07 mi (6,886.50 km) |
| Piqua to Akersberga | 4,276.10 mi (6,881.72 km) |
| Piqua to Alingsas | 4,152.40 mi (6,682.65 km) |
| Piqua to Almhult | 4,251.68 mi (6,842.42 km) |
| Piqua to Alta | 4,281.23 mi (6,889.97 km) |
| Piqua to Amal | 4,120.57 mi (6,631.42 km) |
