| Sun Prairie to Opole | 4,620.04 mi (7,435.24 km) |
| Sun Prairie to Orzesze | 4,670.61 mi (7,516.61 km) |
| Sun Prairie to Osowa | 4,469.29 mi (7,192.63 km) |
| Sun Prairie to Ostroda | 4,548.05 mi (7,319.37 km) |
| Sun Prairie to Ostroleka | 4,626.40 mi (7,445.48 km) |
| Sun Prairie to Ostrow Mazowiecka | 4,649.07 mi (7,481.96 km) |
| Sun Prairie to Ostrow Wielkopolski | 4,572.05 mi (7,358.00 km) |
| Sun Prairie to Ostrowiec Swietokrzyski | 4,720.72 mi (7,597.27 km) |
| Sun Prairie to Ostrzeszow | 4,586.30 mi (7,380.94 km) |
| Sun Prairie to Oswiecim | 4,691.37 mi (7,550.03 km) |
| Sun Prairie to Otwock | 4,661.23 mi (7,501.52 km) |
| Sun Prairie to Ozarow Mazowiecki | 4,641.93 mi (7,470.46 km) |
| Sun Prairie to Ozimek | 4,629.02 mi (7,449.69 km) |
| Sun Prairie to Ozorkow | 4,605.22 mi (7,411.38 km) |
| Sun Prairie to Pabianice | 4,622.85 mi (7,439.76 km) |
