| Storm Lake to Opole | 4,841.54 mi (7,791.71 km) |
| Storm Lake to Orzesze | 4,892.21 mi (7,873.25 km) |
| Storm Lake to Osowa | 4,678.58 mi (7,529.44 km) |
| Storm Lake to Ostroda | 4,757.12 mi (7,655.85 km) |
| Storm Lake to Ostroleka | 4,834.67 mi (7,780.66 km) |
| Storm Lake to Ostrow Mazowiecka | 4,857.56 mi (7,817.49 km) |
| Storm Lake to Ostrow Wielkopolski | 4,790.88 mi (7,710.17 km) |
| Storm Lake to Ostrowiec Swietokrzyski | 4,935.52 mi (7,942.95 km) |
| Storm Lake to Ostrzeszow | 4,805.62 mi (7,733.89 km) |
| Storm Lake to Oswiecim | 4,912.49 mi (7,905.89 km) |
| Storm Lake to Otwock | 4,872.83 mi (7,842.06 km) |
| Storm Lake to Ozarow Mazowiecki | 4,854.04 mi (7,811.83 km) |
| Storm Lake to Ozimek | 4,850.04 mi (7,805.38 km) |
| Storm Lake to Ozorkow | 4,820.66 mi (7,758.10 km) |
| Storm Lake to Pabianice | 4,839.05 mi (7,787.71 km) |
