| Zrnovci to Orzesze | 599.78 mi (965.26 km) |
| Zrnovci to Osowa | 887.45 mi (1,428.22 km) |
| Zrnovci to Ostroda | 826.38 mi (1,329.92 km) |
| Zrnovci to Ostroleka | 775.78 mi (1,248.49 km) |
| Zrnovci to Ostrow Mazowiecka | 756.70 mi (1,217.80 km) |
| Zrnovci to Ostrow Wielkopolski | 710.99 mi (1,144.22 km) |
| Zrnovci to Ostrowiec Swietokrzyski | 629.26 mi (1,012.69 km) |
| Zrnovci to Ostrzeszow | 694.16 mi (1,117.14 km) |
| Zrnovci to Oswiecim | 586.12 mi (943.27 km) |
| Zrnovci to Otwock | 711.21 mi (1,144.59 km) |
| Zrnovci to Ozarow Mazowiecki | 720.10 mi (1,158.89 km) |
| Zrnovci to Ozimek | 641.69 mi (1,032.71 km) |
| Zrnovci to Ozorkow | 714.28 mi (1,149.52 km) |
| Zrnovci to Pabianice | 692.00 mi (1,113.66 km) |
| Zrnovci to Parczew | 675.96 mi (1,087.86 km) |
