| Ostrow Mazowiecka to Rivalta di Torino | 842.50 mi (1,355.88 km) |
| Ostrow Mazowiecka to Rivarolo Canavese | 821.23 mi (1,321.64 km) |
| Ostrow Mazowiecka to Rivoli | 840.80 mi (1,353.13 km) |
| Ostrow Mazowiecka to Rocca di Papa | 873.85 mi (1,406.32 km) |
| Ostrow Mazowiecka to Rocca Priora | 871.68 mi (1,402.84 km) |
| Ostrow Mazowiecka to Roccapiemonte | 897.85 mi (1,444.95 km) |
| Ostrow Mazowiecka to Roccastrada | 837.52 mi (1,347.86 km) |
| Ostrow Mazowiecka to Romano di Lombardia | 742.94 mi (1,195.64 km) |
| Ostrow Mazowiecka to Rome | 871.41 mi (1,402.41 km) |
| Ostrow Mazowiecka to Roncade | 655.06 mi (1,054.21 km) |
| Ostrow Mazowiecka to Ronchi dei Legionari | 611.39 mi (983.94 km) |
| Ostrow Mazowiecka to Ronciglione | 853.54 mi (1,373.64 km) |
| Ostrow Mazowiecka to Rosa | 668.33 mi (1,075.58 km) |
| Ostrow Mazowiecka to Rosarno | 1,028.71 mi (1,655.55 km) |
| Ostrow Mazowiecka to Rosignano Marittimo | 834.67 mi (1,343.28 km) |
