| Reggiolo to Orzesze | 516.86 mi (831.81 km) |
| Reggiolo to Osowa | 739.89 mi (1,190.74 km) |
| Reggiolo to Ostroda | 732.32 mi (1,178.56 km) |
| Reggiolo to Ostroleka | 743.13 mi (1,195.94 km) |
| Reggiolo to Ostrow Mazowiecka | 740.33 mi (1,191.45 km) |
| Reggiolo to Ostrow Wielkopolski | 565.09 mi (909.43 km) |
| Reggiolo to Ostrowiec Swietokrzyski | 641.49 mi (1,032.37 km) |
| Reggiolo to Ostrzeszow | 555.54 mi (894.06 km) |
| Reggiolo to Oswiecim | 527.87 mi (849.52 km) |
| Reggiolo to Otwock | 688.77 mi (1,108.47 km) |
| Reggiolo to Ozarow Mazowiecki | 679.04 mi (1,092.80 km) |
| Reggiolo to Ozimek | 524.88 mi (844.71 km) |
| Reggiolo to Ozorkow | 621.93 mi (1,000.91 km) |
| Reggiolo to Pabianice | 608.74 mi (979.66 km) |
| Reggiolo to Parczew | 721.18 mi (1,160.63 km) |
