| Isabela to Opole | 5,019.37 mi (8,077.90 km) |
| Isabela to Orzesze | 5,060.28 mi (8,143.73 km) |
| Isabela to Osowa | 5,006.26 mi (8,056.80 km) |
| Isabela to Ostroda | 5,073.44 mi (8,164.91 km) |
| Isabela to Ostroleka | 5,145.74 mi (8,281.26 km) |
| Isabela to Ostrow Mazowiecka | 5,162.73 mi (8,308.61 km) |
| Isabela to Ostrow Wielkopolski | 5,004.87 mi (8,054.56 km) |
| Isabela to Ostrowiec Swietokrzyski | 5,165.65 mi (8,313.31 km) |
| Isabela to Ostrzeszow | 5,012.06 mi (8,066.13 km) |
| Isabela to Oswiecim | 5,082.14 mi (8,178.91 km) |
| Isabela to Otwock | 5,145.08 mi (8,280.21 km) |
| Isabela to Ozarow Mazowiecki | 5,124.40 mi (8,246.92 km) |
| Isabela to Ozimek | 5,031.43 mi (8,097.31 km) |
| Isabela to Ozorkow | 5,063.69 mi (8,149.23 km) |
| Isabela to Pabianice | 5,071.31 mi (8,161.49 km) |
