| Ostrow Mazowiecka to Kayapinar | 1,349.39 mi (2,171.64 km) |
| Ostrow Mazowiecka to Kayseri | 1,168.33 mi (1,880.24 km) |
| Ostrow Mazowiecka to Kemalpasa | 1,027.42 mi (1,653.47 km) |
| Ostrow Mazowiecka to Kemer | 1,195.16 mi (1,923.42 km) |
| Ostrow Mazowiecka to Keskin | 1,062.80 mi (1,710.42 km) |
| Ostrow Mazowiecka to Kilimli | 908.75 mi (1,462.50 km) |
| Ostrow Mazowiecka to Kilis | 1,332.69 mi (2,144.77 km) |
| Ostrow Mazowiecka to Kinik | 982.15 mi (1,580.62 km) |
| Ostrow Mazowiecka to Kirikkale | 1,050.03 mi (1,689.85 km) |
| Ostrow Mazowiecka to Kirkagac | 985.27 mi (1,585.63 km) |
| Ostrow Mazowiecka to Kirklareli | 803.71 mi (1,293.45 km) |
| Ostrow Mazowiecka to Kirsehir | 1,108.64 mi (1,784.18 km) |
| Ostrow Mazowiecka to Kizilpinar | 845.79 mi (1,361.16 km) |
| Ostrow Mazowiecka to Kiziltepe | 1,404.22 mi (2,259.87 km) |
| Ostrow Mazowiecka to Kocaali | 913.21 mi (1,469.67 km) |
