| Ostrow Mazowiecka to Isparta | 1,118.92 mi (1,800.73 km) |
| Ostrow Mazowiecka to Istanbul | 878.79 mi (1,414.28 km) |
| Ostrow Mazowiecka to Izmir | 1,024.64 mi (1,649.00 km) |
| Ostrow Mazowiecka to Kadinhani | 1,120.44 mi (1,803.17 km) |
| Ostrow Mazowiecka to Kadirli | 1,266.32 mi (2,037.95 km) |
| Ostrow Mazowiecka to Kagithane | 875.20 mi (1,408.50 km) |
| Ostrow Mazowiecka to Kahramanmaras | 1,275.50 mi (2,052.72 km) |
| Ostrow Mazowiecka to Kahta | 1,311.42 mi (2,110.52 km) |
| Ostrow Mazowiecka to Kaman | 1,084.87 mi (1,745.93 km) |
| Ostrow Mazowiecka to Kangal | 1,190.72 mi (1,916.29 km) |
| Ostrow Mazowiecka to Kapakli | 841.40 mi (1,354.10 km) |
| Ostrow Mazowiecka to Karaagac | 1,316.34 mi (2,118.44 km) |
| Ostrow Mazowiecka to Karaagac | 843.33 mi (1,357.21 km) |
| Ostrow Mazowiecka to Karabuk | 945.37 mi (1,521.42 km) |
| Ostrow Mazowiecka to Karahalli | 1,064.93 mi (1,713.85 km) |
