| Ostrow Mazowiecka to Rosolini | 1,154.37 mi (1,857.78 km) |
| Ostrow Mazowiecka to Rossano | 947.76 mi (1,525.27 km) |
| Ostrow Mazowiecka to Rottofreno | 772.94 mi (1,243.92 km) |
| Ostrow Mazowiecka to Rovato | 732.21 mi (1,178.37 km) |
| Ostrow Mazowiecka to Roverbella | 723.18 mi (1,163.84 km) |
| Ostrow Mazowiecka to Rovereto | 681.97 mi (1,097.52 km) |
| Ostrow Mazowiecka to Rovigo | 702.08 mi (1,129.89 km) |
| Ostrow Mazowiecka to Rozzano | 769.60 mi (1,238.55 km) |
| Ostrow Mazowiecka to Rubano | 683.10 mi (1,099.35 km) |
| Ostrow Mazowiecka to Rubiera | 755.81 mi (1,216.36 km) |
| Ostrow Mazowiecka to Ruffano | 902.16 mi (1,451.89 km) |
| Ostrow Mazowiecka to Russi | 734.86 mi (1,182.64 km) |
| Ostrow Mazowiecka to Rutigliano | 852.72 mi (1,372.33 km) |
| Ostrow Mazowiecka to Ruvo di Puglia | 846.08 mi (1,361.63 km) |
| Ostrow Mazowiecka to Sabaudia | 896.18 mi (1,442.26 km) |
