| Montesarchio to Orzesze | 658.12 mi (1,059.14 km) |
| Montesarchio to Osowa | 939.82 mi (1,512.49 km) |
| Montesarchio to Ostroda | 907.19 mi (1,459.98 km) |
| Montesarchio to Ostroleka | 890.00 mi (1,432.32 km) |
| Montesarchio to Ostrow Mazowiecka | 879.12 mi (1,414.81 km) |
| Montesarchio to Ostrow Wielkopolski | 746.59 mi (1,201.52 km) |
| Montesarchio to Ostrowiec Swietokrzyski | 754.36 mi (1,214.02 km) |
| Montesarchio to Ostrzeszow | 732.10 mi (1,178.19 km) |
| Montesarchio to Oswiecim | 658.09 mi (1,059.09 km) |
| Montesarchio to Otwock | 825.05 mi (1,327.78 km) |
| Montesarchio to Ozarow Mazowiecki | 823.32 mi (1,325.00 km) |
| Montesarchio to Ozimek | 685.50 mi (1,103.21 km) |
| Montesarchio to Ozorkow | 784.48 mi (1,262.50 km) |
| Montesarchio to Pabianice | 765.09 mi (1,231.29 km) |
| Montesarchio to Parczew | 827.76 mi (1,332.15 km) |
