| Ostrow Mazowiecka to Ascoli Piceno | 787.14 mi (1,266.77 km) |
| Ostrow Mazowiecka to Asola | 736.82 mi (1,185.80 km) |
| Ostrow Mazowiecka to Asolo | 659.30 mi (1,061.04 km) |
| Ostrow Mazowiecka to Assemini | 1,116.51 mi (1,796.85 km) |
| Ostrow Mazowiecka to Assisi | 796.07 mi (1,281.16 km) |
| Ostrow Mazowiecka to Asti | 825.50 mi (1,328.52 km) |
| Ostrow Mazowiecka to Atessa | 818.23 mi (1,316.81 km) |
| Ostrow Mazowiecka to Atri | 795.04 mi (1,279.49 km) |
| Ostrow Mazowiecka to Atripalda | 885.44 mi (1,424.97 km) |
| Ostrow Mazowiecka to Augusta | 1,121.68 mi (1,805.17 km) |
| Ostrow Mazowiecka to Aulla | 804.23 mi (1,294.28 km) |
| Ostrow Mazowiecka to Aurisina | 610.27 mi (982.13 km) |
| Ostrow Mazowiecka to Avellino | 886.08 mi (1,426.01 km) |
| Ostrow Mazowiecka to Aversa | 893.59 mi (1,438.10 km) |
| Ostrow Mazowiecka to Avezzano | 840.70 mi (1,352.97 km) |
