| Eau Claire to Opole | 4,608.04 mi (7,415.92 km) |
| Eau Claire to Orzesze | 4,658.70 mi (7,497.45 km) |
| Eau Claire to Osowa | 4,448.09 mi (7,158.50 km) |
| Eau Claire to Ostroda | 4,526.72 mi (7,285.05 km) |
| Eau Claire to Ostroleka | 4,604.52 mi (7,410.26 km) |
| Eau Claire to Ostrow Mazowiecka | 4,627.36 mi (7,447.01 km) |
| Eau Claire to Ostrow Wielkopolski | 4,557.98 mi (7,335.36 km) |
| Eau Claire to Ostrowiec Swietokrzyski | 4,703.66 mi (7,569.81 km) |
| Eau Claire to Ostrzeszow | 4,572.61 mi (7,358.91 km) |
| Eau Claire to Oswiecim | 4,679.10 mi (7,530.28 km) |
| Eau Claire to Otwock | 4,641.78 mi (7,470.23 km) |
| Eau Claire to Ozarow Mazowiecki | 4,622.85 mi (7,439.77 km) |
| Eau Claire to Ozimek | 4,616.65 mi (7,429.78 km) |
| Eau Claire to Ozorkow | 4,588.60 mi (7,384.64 km) |
| Eau Claire to Pabianice | 4,606.81 mi (7,413.95 km) |
