| Ostrow Mazowiecka to Kocaeli | 912.79 mi (1,468.99 km) |
| Ostrow Mazowiecka to Konak | 1,024.58 mi (1,648.90 km) |
| Ostrow Mazowiecka to Konakli | 1,220.35 mi (1,963.96 km) |
| Ostrow Mazowiecka to Konya | 1,149.93 mi (1,850.63 km) |
| Ostrow Mazowiecka to Koprukoy | 1,292.25 mi (2,079.68 km) |
| Ostrow Mazowiecka to Korfez | 907.93 mi (1,461.17 km) |
| Ostrow Mazowiecka to Korkut | 1,355.80 mi (2,181.95 km) |
| Ostrow Mazowiecka to Kose | 1,205.77 mi (1,940.50 km) |
| Ostrow Mazowiecka to Kovancilar | 1,295.12 mi (2,084.30 km) |
| Ostrow Mazowiecka to Koyulhisar | 1,142.98 mi (1,839.45 km) |
| Ostrow Mazowiecka to Kozan | 1,253.70 mi (2,017.64 km) |
| Ostrow Mazowiecka to Kozlu | 909.86 mi (1,464.28 km) |
| Ostrow Mazowiecka to Kozluk | 1,376.25 mi (2,214.86 km) |
| Ostrow Mazowiecka to Kucuk Dalyan | 1,338.75 mi (2,154.50 km) |
| Ostrow Mazowiecka to Kucukcekmece | 876.98 mi (1,411.36 km) |
