| Ostrow Mazowiecka to Roeselare | 808.79 mi (1,301.63 km) |
| Ostrow Mazowiecka to Ronse | 792.81 mi (1,275.90 km) |
| Ostrow Mazowiecka to Rotselaar | 742.41 mi (1,194.79 km) |
| Ostrow Mazowiecka to Rumst | 752.13 mi (1,210.43 km) |
| Ostrow Mazowiecka to Saint-Ghislain | 790.22 mi (1,271.73 km) |
| Ostrow Mazowiecka to Saint-Nicolas | 714.75 mi (1,150.27 km) |
| Ostrow Mazowiecka to Saint-Vith | 697.91 mi (1,123.18 km) |
| Ostrow Mazowiecka to Scherpenheuvel | 730.32 mi (1,175.33 km) |
| Ostrow Mazowiecka to Schilde | 743.09 mi (1,195.89 km) |
| Ostrow Mazowiecka to Schoten | 745.58 mi (1,199.89 km) |
| Ostrow Mazowiecka to Seneffe | 770.33 mi (1,239.73 km) |
| Ostrow Mazowiecka to Seraing | 717.23 mi (1,154.27 km) |
| Ostrow Mazowiecka to Sint-Amandsberg | 780.55 mi (1,256.18 km) |
| Ostrow Mazowiecka to Sint-Andries | 801.47 mi (1,289.85 km) |
| Ostrow Mazowiecka to Sint-Genesius-Rode | 761.78 mi (1,225.97 km) |
