| Piqua to Wetter (Ruhr) | 4,190.27 mi (6,743.58 km) |
| Piqua to Wetzlar | 4,259.96 mi (6,855.75 km) |
| Piqua to Weyhe | 4,191.63 mi (6,745.78 km) |
| Piqua to Wickede | 4,204.41 mi (6,766.34 km) |
| Piqua to Wiefelstede | 4,155.36 mi (6,687.40 km) |
| Piqua to Wiehl | 4,210.15 mi (6,775.58 km) |
| Piqua to Wiesbaden | 4,266.68 mi (6,866.55 km) |
| Piqua to Wiesloch | 4,311.79 mi (6,939.16 km) |
| Piqua to Wiesmoor | 4,136.77 mi (6,657.48 km) |
| Piqua to Wietmarschen | 4,142.83 mi (6,667.24 km) |
| Piqua to Wildau | 4,387.16 mi (7,060.46 km) |
| Piqua to Wildberg | 4,337.34 mi (6,980.28 km) |
| Piqua to Wildeshausen | 4,178.69 mi (6,724.95 km) |
| Piqua to Wilhelmshaven | 4,146.10 mi (6,672.51 km) |
| Piqua to Wilkau-Hasslau | 4,407.30 mi (7,092.86 km) |
