| Piqua to Waldheim | 4,410.97 mi (7,098.77 km) |
| Piqua to Waldkirch | 4,325.06 mi (6,960.52 km) |
| Piqua to Waldkirchen | 4,520.69 mi (7,275.35 km) |
| Piqua to Waldkraiburg | 4,494.29 mi (7,232.86 km) |
| Piqua to Waldshut-Tiengen | 4,351.81 mi (7,003.56 km) |
| Piqua to Walldorf | 4,309.71 mi (6,935.82 km) |
| Piqua to Walldurn | 4,327.50 mi (6,964.43 km) |
| Piqua to Wallenhorst | 4,181.59 mi (6,729.62 km) |
| Piqua to Wallerfangen | 4,233.45 mi (6,813.08 km) |
| Piqua to Walsrode | 4,221.72 mi (6,794.21 km) |
| Piqua to Waltenhofen | 4,432.94 mi (7,134.13 km) |
| Piqua to Waltershausen | 4,325.97 mi (6,961.97 km) |
| Piqua to Waltrop | 4,182.24 mi (6,730.66 km) |
| Piqua to Wandlitz | 4,364.73 mi (7,024.35 km) |
| Piqua to Wangen im Allgau | 4,413.87 mi (7,103.43 km) |
