| Ostrow Mazowiecka to Glyka Nera | 1,027.41 mi (1,653.46 km) |
| Ostrow Mazowiecka to Grevena | 878.80 mi (1,414.30 km) |
| Ostrow Mazowiecka to Ialysos | 1,171.88 mi (1,885.96 km) |
| Ostrow Mazowiecka to Ilion | 1,023.92 mi (1,647.85 km) |
| Ostrow Mazowiecka to Ilioupoli | 1,031.02 mi (1,659.26 km) |
| Ostrow Mazowiecka to Ioannina | 908.99 mi (1,462.88 km) |
| Ostrow Mazowiecka to Irakleio | 1,216.67 mi (1,958.04 km) |
| Ostrow Mazowiecka to Irakleio | 1,023.05 mi (1,646.44 km) |
| Ostrow Mazowiecka to Kaisariani | 1,028.64 mi (1,655.44 km) |
| Ostrow Mazowiecka to Kalamaria | 845.53 mi (1,360.75 km) |
| Ostrow Mazowiecka to Kalamata | 1,089.11 mi (1,752.75 km) |
| Ostrow Mazowiecka to Kallithea | 1,029.66 mi (1,657.08 km) |
| Ostrow Mazowiecka to Kalymnos | 1,119.65 mi (1,801.90 km) |
| Ostrow Mazowiecka to Kalyvia Thorikou | 1,038.62 mi (1,671.50 km) |
| Ostrow Mazowiecka to Kamatero | 1,022.15 mi (1,645.00 km) |
