| Onalaska to Opole | 4,647.72 mi (7,479.78 km) |
| Onalaska to Orzesze | 4,698.36 mi (7,561.27 km) |
| Onalaska to Osowa | 4,490.71 mi (7,227.11 km) |
| Onalaska to Ostroda | 4,569.40 mi (7,353.74 km) |
| Onalaska to Ostroleka | 4,647.40 mi (7,479.26 km) |
| Onalaska to Ostrow Mazowiecka | 4,670.18 mi (7,515.94 km) |
| Onalaska to Ostrow Wielkopolski | 4,598.33 mi (7,400.29 km) |
| Onalaska to Ostrowiec Swietokrzyski | 4,745.01 mi (7,636.36 km) |
| Onalaska to Ostrzeszow | 4,612.84 mi (7,423.64 km) |
| Onalaska to Oswiecim | 4,718.88 mi (7,594.30 km) |
| Onalaska to Otwock | 4,683.89 mi (7,537.99 km) |
| Onalaska to Ozarow Mazowiecki | 4,664.84 mi (7,507.33 km) |
| Onalaska to Ozimek | 4,656.45 mi (7,493.83 km) |
| Onalaska to Ozorkow | 4,629.78 mi (7,450.92 km) |
| Onalaska to Pabianice | 4,647.81 mi (7,479.93 km) |
