| Momchilgrad to Orzesze | 675.68 mi (1,087.41 km) |
| Momchilgrad to Osowa | 945.91 mi (1,522.30 km) |
| Momchilgrad to Ostroda | 877.47 mi (1,412.16 km) |
| Momchilgrad to Ostroleka | 816.74 mi (1,314.41 km) |
| Momchilgrad to Ostrow Mazowiecka | 795.54 mi (1,280.29 km) |
| Momchilgrad to Ostrow Wielkopolski | 785.61 mi (1,264.32 km) |
| Momchilgrad to Ostrowiec Swietokrzyski | 676.99 mi (1,089.51 km) |
| Momchilgrad to Ostrzeszow | 769.19 mi (1,237.89 km) |
| Momchilgrad to Oswiecim | 658.54 mi (1,059.82 km) |
| Momchilgrad to Otwock | 756.78 mi (1,217.92 km) |
| Momchilgrad to Ozarow Mazowiecki | 769.28 mi (1,238.04 km) |
| Momchilgrad to Ozimek | 718.84 mi (1,156.86 km) |
| Momchilgrad to Ozorkow | 776.47 mi (1,249.61 km) |
| Momchilgrad to Pabianice | 754.78 mi (1,214.70 km) |
| Momchilgrad to Parczew | 708.15 mi (1,139.66 km) |
