| Certaldo to Orzesze | 583.12 mi (938.45 km) |
| Certaldo to Osowa | 822.64 mi (1,323.91 km) |
| Certaldo to Ostroda | 809.87 mi (1,303.36 km) |
| Certaldo to Ostroleka | 814.62 mi (1,311.00 km) |
| Certaldo to Ostrow Mazowiecka | 809.94 mi (1,303.47 km) |
| Certaldo to Ostrow Wielkopolski | 641.99 mi (1,033.19 km) |
| Certaldo to Ostrowiec Swietokrzyski | 703.35 mi (1,131.93 km) |
| Certaldo to Ostrzeszow | 631.16 mi (1,015.75 km) |
| Certaldo to Oswiecim | 591.60 mi (952.09 km) |
| Certaldo to Otwock | 757.10 mi (1,218.43 km) |
| Certaldo to Ozarow Mazowiecki | 749.10 mi (1,205.56 km) |
| Certaldo to Ozimek | 596.13 mi (959.38 km) |
| Certaldo to Ozorkow | 695.39 mi (1,119.13 km) |
| Certaldo to Pabianice | 680.55 mi (1,095.23 km) |
| Certaldo to Parczew | 782.84 mi (1,259.87 km) |
