| Davenport to Opole | 4,750.80 mi (7,645.67 km) |
| Davenport to Orzesze | 4,801.34 mi (7,727.01 km) |
| Davenport to Osowa | 4,601.00 mi (7,404.60 km) |
| Davenport to Ostroda | 4,679.76 mi (7,531.35 km) |
| Davenport to Ostroleka | 4,758.16 mi (7,657.51 km) |
| Davenport to Ostrow Mazowiecka | 4,780.81 mi (7,693.98 km) |
| Davenport to Ostrow Wielkopolski | 4,703.06 mi (7,568.84 km) |
| Davenport to Ostrowiec Swietokrzyski | 4,852.04 mi (7,808.61 km) |
| Davenport to Ostrzeszow | 4,717.27 mi (7,591.71 km) |
| Davenport to Oswiecim | 4,822.15 mi (7,760.50 km) |
| Davenport to Otwock | 4,792.78 mi (7,713.23 km) |
| Davenport to Ozarow Mazowiecki | 4,773.45 mi (7,682.12 km) |
| Davenport to Ozimek | 4,759.82 mi (7,660.19 km) |
| Davenport to Ozorkow | 4,736.50 mi (7,622.66 km) |
| Davenport to Pabianice | 4,754.07 mi (7,650.94 km) |
