| Montesilvano to Orzesze | 571.14 mi (919.15 km) |
| Montesilvano to Osowa | 846.17 mi (1,361.78 km) |
| Montesilvano to Ostroda | 817.45 mi (1,315.57 km) |
| Montesilvano to Ostroleka | 805.29 mi (1,295.99 km) |
| Montesilvano to Ostrow Mazowiecka | 795.90 mi (1,280.87 km) |
| Montesilvano to Ostrow Wielkopolski | 654.12 mi (1,052.70 km) |
| Montesilvano to Ostrowiec Swietokrzyski | 674.76 mi (1,085.92 km) |
| Montesilvano to Ostrzeszow | 640.23 mi (1,030.35 km) |
| Montesilvano to Oswiecim | 573.18 mi (922.44 km) |
| Montesilvano to Otwock | 741.68 mi (1,193.61 km) |
| Montesilvano to Ozarow Mazowiecki | 738.35 mi (1,188.26 km) |
| Montesilvano to Ozimek | 595.59 mi (958.51 km) |
| Montesilvano to Ozorkow | 695.65 mi (1,119.54 km) |
| Montesilvano to Pabianice | 677.11 mi (1,089.71 km) |
| Montesilvano to Parczew | 750.66 mi (1,208.07 km) |
