| Wausau to Opole | 4,541.18 mi (7,308.32 km) |
| Wausau to Orzesze | 4,591.81 mi (7,389.81 km) |
| Wausau to Osowa | 4,384.91 mi (7,056.82 km) |
| Wausau to Ostroda | 4,463.61 mi (7,183.48 km) |
| Wausau to Ostroleka | 4,541.66 mi (7,309.09 km) |
| Wausau to Ostrow Mazowiecka | 4,564.43 mi (7,345.74 km) |
| Wausau to Ostrow Wielkopolski | 4,491.92 mi (7,229.05 km) |
| Wausau to Ostrowiec Swietokrzyski | 4,638.84 mi (7,465.48 km) |
| Wausau to Ostrzeszow | 4,506.41 mi (7,252.36 km) |
| Wausau to Oswiecim | 4,612.36 mi (7,422.87 km) |
| Wausau to Otwock | 4,577.92 mi (7,367.44 km) |
| Wausau to Ozarow Mazowiecki | 4,558.83 mi (7,336.73 km) |
| Wausau to Ozimek | 4,549.94 mi (7,322.41 km) |
| Wausau to Ozorkow | 4,523.57 mi (7,279.98 km) |
| Wausau to Pabianice | 4,541.55 mi (7,308.92 km) |
