| Ostrow Mazowiecka to Wetter (Ruhr) | 622.29 mi (1,001.48 km) |
| Ostrow Mazowiecka to Wetzlar | 593.43 mi (955.03 km) |
| Ostrow Mazowiecka to Weyhe | 542.38 mi (872.88 km) |
| Ostrow Mazowiecka to Wickede | 600.79 mi (966.88 km) |
| Ostrow Mazowiecka to Wiefelstede | 572.71 mi (921.68 km) |
| Ostrow Mazowiecka to Wiehl | 624.90 mi (1,005.68 km) |
| Ostrow Mazowiecka to Wiesbaden | 616.42 mi (992.03 km) |
| Ostrow Mazowiecka to Wiesloch | 621.34 mi (999.95 km) |
| Ostrow Mazowiecka to Wiesmoor | 588.19 mi (946.60 km) |
| Ostrow Mazowiecka to Wietmarschen | 617.95 mi (994.49 km) |
| Ostrow Mazowiecka to Wildau | 348.65 mi (561.10 km) |
| Ostrow Mazowiecka to Wildberg | 642.44 mi (1,033.90 km) |
| Ostrow Mazowiecka to Wildeshausen | 561.13 mi (903.05 km) |
| Ostrow Mazowiecka to Wilhelmshaven | 572.71 mi (921.69 km) |
| Ostrow Mazowiecka to Wilkau-Hasslau | 427.33 mi (687.73 km) |
