| Ostrow Mazowiecka to Kecskemet | 418.91 mi (674.17 km) |
| Ostrow Mazowiecka to Kerepestarcsa | 381.12 mi (613.35 km) |
| Ostrow Mazowiecka to Keszthely | 465.24 mi (748.74 km) |
| Ostrow Mazowiecka to Kiskoros | 442.60 mi (712.30 km) |
| Ostrow Mazowiecka to Kiskunfelegyhaza | 430.89 mi (693.45 km) |
| Ostrow Mazowiecka to Kiskunhalas | 452.98 mi (728.99 km) |
| Ostrow Mazowiecka to Kiskunlachaza | 407.48 mi (655.77 km) |
| Ostrow Mazowiecka to Kiskunmajsa | 446.38 mi (718.38 km) |
| Ostrow Mazowiecka to Kisujszallas | 389.01 mi (626.05 km) |
| Ostrow Mazowiecka to Kisvarda | 316.78 mi (509.80 km) |
| Ostrow Mazowiecka to Komarom | 387.19 mi (623.12 km) |
| Ostrow Mazowiecka to Komlo | 484.78 mi (780.18 km) |
| Ostrow Mazowiecka to Kormend | 463.91 mi (746.60 km) |
| Ostrow Mazowiecka to Koszeg | 442.82 mi (712.66 km) |
| Ostrow Mazowiecka to Lajosmizse | 412.24 mi (663.44 km) |
