| Ostrow Mazowiecka to Ribnica | 584.52 mi (940.70 km) |
| Ostrow Mazowiecka to Ribnica | 523.97 mi (843.25 km) |
| Ostrow Mazowiecka to Rogaska Slatina | 533.28 mi (858.24 km) |
| Ostrow Mazowiecka to Rogasovci | 489.51 mi (787.79 km) |
| Ostrow Mazowiecka to Rogatec | 532.14 mi (856.40 km) |
| Ostrow Mazowiecka to Ruse | 517.88 mi (833.45 km) |
| Ostrow Mazowiecka to Salovci | 482.17 mi (775.98 km) |
| Ostrow Mazowiecka to Selnica ob Dravi | 517.63 mi (833.05 km) |
| Ostrow Mazowiecka to Semic | 578.85 mi (931.57 km) |
| Ostrow Mazowiecka to Sempeter pri Gorici | 602.21 mi (969.16 km) |
| Ostrow Mazowiecka to Sencur | 563.16 mi (906.31 km) |
| Ostrow Mazowiecka to Sentilj | 506.16 mi (814.59 km) |
| Ostrow Mazowiecka to Sentjernej | 564.02 mi (907.71 km) |
| Ostrow Mazowiecka to Sentjur | 539.87 mi (868.83 km) |
| Ostrow Mazowiecka to Sentrupert | 561.63 mi (903.86 km) |
