| Rome to Orzesze | 644.34 mi (1,036.96 km) |
| Rome to Osowa | 908.12 mi (1,461.47 km) |
| Rome to Ostroda | 885.48 mi (1,425.04 km) |
| Rome to Ostroleka | 879.28 mi (1,415.07 km) |
| Rome to Ostrow Mazowiecka | 871.41 mi (1,402.41 km) |
| Rome to Ostrow Wielkopolski | 719.31 mi (1,157.62 km) |
| Rome to Ostrowiec Swietokrzyski | 754.18 mi (1,213.73 km) |
| Rome to Ostrzeszow | 706.47 mi (1,136.96 km) |
| Rome to Oswiecim | 648.56 mi (1,043.76 km) |
| Rome to Otwock | 817.35 mi (1,315.40 km) |
| Rome to Ozarow Mazowiecki | 812.45 mi (1,307.51 km) |
| Rome to Ozimek | 665.00 mi (1,070.21 km) |
| Rome to Ozorkow | 765.61 mi (1,232.13 km) |
| Rome to Pabianice | 748.26 mi (1,204.21 km) |
| Rome to Parczew | 831.59 mi (1,338.31 km) |
