| Ostrow Mazowiecka to Chaudfontaine | 711.69 mi (1,145.35 km) |
| Ostrow Mazowiecka to Chaumont-Gistoux | 748.56 mi (1,204.68 km) |
| Ostrow Mazowiecka to Chimay | 778.82 mi (1,253.40 km) |
| Ostrow Mazowiecka to Ciney | 740.32 mi (1,191.42 km) |
| Ostrow Mazowiecka to Colfontaine | 789.77 mi (1,271.01 km) |
| Ostrow Mazowiecka to Courcelles | 766.78 mi (1,234.02 km) |
| Ostrow Mazowiecka to Court-Saint-Etienne | 754.97 mi (1,215.01 km) |
| Ostrow Mazowiecka to Couvin | 771.92 mi (1,242.28 km) |
| Ostrow Mazowiecka to Damme | 796.40 mi (1,281.68 km) |
| Ostrow Mazowiecka to De Haan | 806.42 mi (1,297.80 km) |
| Ostrow Mazowiecka to De Panne | 827.99 mi (1,332.53 km) |
| Ostrow Mazowiecka to De Pinte | 785.73 mi (1,264.51 km) |
| Ostrow Mazowiecka to Deerlijk | 801.00 mi (1,289.08 km) |
| Ostrow Mazowiecka to Deinze | 790.92 mi (1,272.87 km) |
| Ostrow Mazowiecka to Denderleeuw | 769.93 mi (1,239.09 km) |
