| Calenzano to Orzesze | 561.65 mi (903.89 km) |
| Calenzano to Osowa | 799.84 mi (1,287.22 km) |
| Calenzano to Ostroda | 787.40 mi (1,267.19 km) |
| Calenzano to Ostroleka | 792.69 mi (1,275.72 km) |
| Calenzano to Ostrow Mazowiecka | 788.21 mi (1,268.50 km) |
| Calenzano to Ostrow Wielkopolski | 619.53 mi (997.04 km) |
| Calenzano to Ostrowiec Swietokrzyski | 682.49 mi (1,098.35 km) |
| Calenzano to Ostrzeszow | 608.79 mi (979.75 km) |
| Calenzano to Oswiecim | 570.43 mi (918.01 km) |
| Calenzano to Otwock | 735.49 mi (1,183.66 km) |
| Calenzano to Ozarow Mazowiecki | 727.30 mi (1,170.48 km) |
| Calenzano to Ozimek | 574.14 mi (924.00 km) |
| Calenzano to Ozorkow | 673.24 mi (1,083.47 km) |
| Calenzano to Pabianice | 658.54 mi (1,059.82 km) |
| Calenzano to Parczew | 762.06 mi (1,226.41 km) |
