| Ostrow Mazowiecka to Antwerp | 750.32 mi (1,207.52 km) |
| Ostrow Mazowiecka to Anzegem | 796.18 mi (1,281.33 km) |
| Ostrow Mazowiecka to Ardooie | 805.86 mi (1,296.90 km) |
| Ostrow Mazowiecka to Arendonk | 720.03 mi (1,158.78 km) |
| Ostrow Mazowiecka to Arlon | 726.46 mi (1,169.12 km) |
| Ostrow Mazowiecka to Asse | 764.73 mi (1,230.71 km) |
| Ostrow Mazowiecka to Assebroek | 798.69 mi (1,285.37 km) |
| Ostrow Mazowiecka to Assenede | 777.20 mi (1,250.78 km) |
| Ostrow Mazowiecka to Ath | 788.66 mi (1,269.22 km) |
| Ostrow Mazowiecka to Aubange | 730.17 mi (1,175.09 km) |
| Ostrow Mazowiecka to Avelgem | 798.79 mi (1,285.52 km) |
| Ostrow Mazowiecka to Awans | 716.93 mi (1,153.78 km) |
| Ostrow Mazowiecka to Aywaille | 712.48 mi (1,146.62 km) |
| Ostrow Mazowiecka to Balen | 719.96 mi (1,158.66 km) |
| Ostrow Mazowiecka to Bassenge | 708.92 mi (1,140.90 km) |
