| Piqua to Wittstock | 4,315.58 mi (6,945.26 km) |
| Piqua to Witzenhausen | 4,284.27 mi (6,894.86 km) |
| Piqua to Wolfenbuttel | 4,280.74 mi (6,889.18 km) |
| Piqua to Wolfersheim | 4,277.66 mi (6,884.23 km) |
| Piqua to Wolfhagen | 4,259.34 mi (6,854.74 km) |
| Piqua to Wolfratshausen | 4,467.99 mi (7,190.54 km) |
| Piqua to Wolfsburg | 4,280.75 mi (6,889.21 km) |
| Piqua to Wolgast | 4,328.59 mi (6,966.19 km) |
| Piqua to Wolmirstedt | 4,317.38 mi (6,948.15 km) |
| Piqua to Wolnzach | 4,449.74 mi (7,161.17 km) |
| Piqua to Worms | 4,287.10 mi (6,899.42 km) |
| Piqua to Worpswede | 4,185.99 mi (6,736.69 km) |
| Piqua to Worth am Rhein | 4,303.23 mi (6,925.38 km) |
| Piqua to Wulfrath | 4,180.05 mi (6,727.13 km) |
| Piqua to Wunsiedel | 4,412.57 mi (7,101.35 km) |
