| Ostrow Mazowiecka to Rheinbach | 655.93 mi (1,055.62 km) |
| Ostrow Mazowiecka to Rheinberg | 652.77 mi (1,050.53 km) |
| Ostrow Mazowiecka to Rheine | 607.93 mi (978.37 km) |
| Ostrow Mazowiecka to Rheinfelden (Baden) | 719.78 mi (1,158.37 km) |
| Ostrow Mazowiecka to Ribnitz-Damgarten | 399.87 mi (643.52 km) |
| Ostrow Mazowiecka to Richterich | 688.98 mi (1,108.81 km) |
| Ostrow Mazowiecka to Riedlingen | 632.44 mi (1,017.81 km) |
| Ostrow Mazowiecka to Riegelsberg | 692.03 mi (1,113.71 km) |
| Ostrow Mazowiecka to Rielasingen-Worblingen | 673.17 mi (1,083.37 km) |
| Ostrow Mazowiecka to Riesa | 379.63 mi (610.96 km) |
| Ostrow Mazowiecka to Rietberg | 572.32 mi (921.06 km) |
| Ostrow Mazowiecka to Rinteln | 540.14 mi (869.28 km) |
| Ostrow Mazowiecka to Ritterhude | 546.43 mi (879.39 km) |
| Ostrow Mazowiecka to Rodenbach | 582.26 mi (937.06 km) |
| Ostrow Mazowiecka to Rodental | 496.35 mi (798.79 km) |
