| Westchase to Opole | 5,171.09 mi (8,322.06 km) |
| Westchase to Orzesze | 5,219.16 mi (8,399.42 km) |
| Westchase to Osowa | 5,078.70 mi (8,173.38 km) |
| Westchase to Ostroda | 5,155.26 mi (8,296.59 km) |
| Westchase to Ostroleka | 5,233.93 mi (8,423.20 km) |
| Westchase to Ostrow Mazowiecka | 5,254.87 mi (8,456.90 km) |
| Westchase to Ostrow Wielkopolski | 5,136.94 mi (8,267.11 km) |
| Westchase to Ostrowiec Swietokrzyski | 5,297.34 mi (8,525.24 km) |
| Westchase to Ostrzeszow | 5,148.45 mi (8,285.63 km) |
| Westchase to Oswiecim | 5,241.29 mi (8,435.04 km) |
| Westchase to Otwock | 5,253.66 mi (8,454.94 km) |
| Westchase to Ozarow Mazowiecki | 5,232.94 mi (8,421.60 km) |
| Westchase to Ozimek | 5,181.90 mi (8,339.46 km) |
| Westchase to Ozorkow | 5,183.53 mi (8,342.09 km) |
| Westchase to Pabianice | 5,197.18 mi (8,364.06 km) |
