| Ostrow Mazowiecka to Rochefort | 1,125.92 mi (1,811.99 km) |
| Ostrow Mazowiecka to Rodez | 1,053.68 mi (1,695.73 km) |
| Ostrow Mazowiecka to Rognac | 998.00 mi (1,606.12 km) |
| Ostrow Mazowiecka to Roissy-en-Brie | 881.94 mi (1,419.34 km) |
| Ostrow Mazowiecka to Romainville | 888.09 mi (1,429.25 km) |
| Ostrow Mazowiecka to Romans-sur-Isere | 930.19 mi (1,496.99 km) |
| Ostrow Mazowiecka to Rombas | 727.55 mi (1,170.88 km) |
| Ostrow Mazowiecka to Romilly-sur-Seine | 846.45 mi (1,362.23 km) |
| Ostrow Mazowiecka to Ronchin | 817.22 mi (1,315.19 km) |
| Ostrow Mazowiecka to Roncq | 812.75 mi (1,307.99 km) |
| Ostrow Mazowiecka to Roquebrune-sur-Argens | 952.17 mi (1,532.38 km) |
| Ostrow Mazowiecka to Roquevaire | 992.03 mi (1,596.52 km) |
| Ostrow Mazowiecka to Rosny-sous-Bois | 886.61 mi (1,426.87 km) |
| Ostrow Mazowiecka to Roubaix | 811.50 mi (1,305.99 km) |
| Ostrow Mazowiecka to Rouen | 928.25 mi (1,493.88 km) |
