| Ostrow Mazowiecka to Hodos | 481.37 mi (774.69 km) |
| Ostrow Mazowiecka to Horjul | 579.00 mi (931.81 km) |
| Ostrow Mazowiecka to Hrastnik | 549.93 mi (885.03 km) |
| Ostrow Mazowiecka to Hrib-Loski Potok | 590.30 mi (950.00 km) |
| Ostrow Mazowiecka to Idrija | 587.38 mi (945.30 km) |
| Ostrow Mazowiecka to Ig | 575.85 mi (926.75 km) |
| Ostrow Mazowiecka to Ilirska Bistrica | 606.69 mi (976.37 km) |
| Ostrow Mazowiecka to Ivancna Gorica | 571.05 mi (919.02 km) |
| Ostrow Mazowiecka to Izola | 623.91 mi (1,004.09 km) |
| Ostrow Mazowiecka to Jesenice | 561.88 mi (904.25 km) |
| Ostrow Mazowiecka to Jurovski Dol | 507.32 mi (816.45 km) |
| Ostrow Mazowiecka to Jursinci | 510.22 mi (821.12 km) |
| Ostrow Mazowiecka to Kamnik | 559.06 mi (899.71 km) |
| Ostrow Mazowiecka to Kanal | 593.29 mi (954.81 km) |
| Ostrow Mazowiecka to Kidricevo | 519.02 mi (835.28 km) |
