| Ostrow Mazowiecka to Redon | 1,112.13 mi (1,789.80 km) |
| Ostrow Mazowiecka to Reims | 811.38 mi (1,305.78 km) |
| Ostrow Mazowiecka to Rennes | 1,080.89 mi (1,739.53 km) |
| Ostrow Mazowiecka to Revel | 1,115.75 mi (1,795.62 km) |
| Ostrow Mazowiecka to Reze | 1,106.03 mi (1,779.98 km) |
| Ostrow Mazowiecka to Riedisheim | 728.66 mi (1,172.67 km) |
| Ostrow Mazowiecka to Rillieux-la-Pape | 901.60 mi (1,450.99 km) |
| Ostrow Mazowiecka to Riom | 966.85 mi (1,555.99 km) |
| Ostrow Mazowiecka to Riorges | 924.91 mi (1,488.50 km) |
| Ostrow Mazowiecka to Ris-Orangis | 895.73 mi (1,441.54 km) |
| Ostrow Mazowiecka to Rive-de-Gier | 924.83 mi (1,488.37 km) |
| Ostrow Mazowiecka to Rivesaltes | 1,116.85 mi (1,797.40 km) |
| Ostrow Mazowiecka to Rixheim | 727.21 mi (1,170.33 km) |
| Ostrow Mazowiecka to Roanne | 924.08 mi (1,487.16 km) |
| Ostrow Mazowiecka to Roche-la-Moliere | 940.02 mi (1,512.81 km) |
