| Castro Valley to Wetter (Ruhr) | 5,565.46 mi (8,956.74 km) |
| Castro Valley to Wetzlar | 5,639.77 mi (9,076.33 km) |
| Castro Valley to Weyhe | 5,516.24 mi (8,877.53 km) |
| Castro Valley to Wickede | 5,572.08 mi (8,967.40 km) |
| Castro Valley to Wiefelstede | 5,482.61 mi (8,823.42 km) |
| Castro Valley to Wiehl | 5,592.96 mi (9,000.99 km) |
| Castro Valley to Wiesbaden | 5,659.34 mi (9,107.83 km) |
| Castro Valley to Wiesloch | 5,715.06 mi (9,197.50 km) |
| Castro Valley to Wiesmoor | 5,465.12 mi (8,795.27 km) |
| Castro Valley to Wietmarschen | 5,496.54 mi (8,845.83 km) |
| Castro Valley to Wildau | 5,670.48 mi (9,125.76 km) |
| Castro Valley to Wildberg | 5,753.33 mi (9,259.09 km) |
| Castro Valley to Wildeshausen | 5,510.20 mi (8,867.82 km) |
| Castro Valley to Wilhelmshaven | 5,467.59 mi (8,799.23 km) |
| Castro Valley to Wilkau-Hasslau | 5,737.68 mi (9,233.91 km) |
