| Merchtem to Orzesze | 638.65 mi (1,027.81 km) |
| Merchtem to Osowa | 640.90 mi (1,031.43 km) |
| Merchtem to Ostroda | 688.97 mi (1,108.79 km) |
| Merchtem to Ostroleka | 749.24 mi (1,205.79 km) |
| Merchtem to Ostrow Mazowiecka | 762.02 mi (1,226.36 km) |
| Merchtem to Ostrow Wielkopolski | 587.73 mi (945.85 km) |
| Merchtem to Ostrowiec Swietokrzyski | 745.56 mi (1,199.86 km) |
| Merchtem to Ostrzeszow | 593.18 mi (954.64 km) |
| Merchtem to Oswiecim | 660.64 mi (1,063.19 km) |
| Merchtem to Otwock | 734.55 mi (1,182.14 km) |
| Merchtem to Ozarow Mazowiecki | 714.76 mi (1,150.29 km) |
| Merchtem to Ozimek | 609.65 mi (981.13 km) |
| Merchtem to Ozorkow | 650.29 mi (1,046.54 km) |
| Merchtem to Pabianice | 654.88 mi (1,053.93 km) |
| Merchtem to Parczew | 804.09 mi (1,294.06 km) |
