| Ostrow Mazowiecka to Ardahan | 1,262.62 mi (2,031.99 km) |
| Ostrow Mazowiecka to Ardesen | 1,198.29 mi (1,928.46 km) |
| Ostrow Mazowiecka to Arhavi | 1,201.90 mi (1,934.28 km) |
| Ostrow Mazowiecka to Aricak | 1,312.33 mi (2,111.99 km) |
| Ostrow Mazowiecka to Armutlu | 908.86 mi (1,462.66 km) |
| Ostrow Mazowiecka to Arnavutkoy | 863.86 mi (1,390.24 km) |
| Ostrow Mazowiecka to Arpacay | 1,298.35 mi (2,089.48 km) |
| Ostrow Mazowiecka to Arsin | 1,175.24 mi (1,891.36 km) |
| Ostrow Mazowiecka to Arsuz | 1,319.65 mi (2,123.77 km) |
| Ostrow Mazowiecka to Artvin | 1,227.69 mi (1,975.77 km) |
| Ostrow Mazowiecka to Asagicinik | 1,043.65 mi (1,679.59 km) |
| Ostrow Mazowiecka to Asarcik | 1,054.78 mi (1,697.51 km) |
| Ostrow Mazowiecka to Askale | 1,255.63 mi (2,020.74 km) |
| Ostrow Mazowiecka to Aslanapa | 1,011.91 mi (1,628.51 km) |
| Ostrow Mazowiecka to Atca | 1,074.29 mi (1,728.91 km) |
