| Richardson to Opole | 5,424.40 mi (8,729.72 km) |
| Richardson to Orzesze | 5,474.83 mi (8,810.89 km) |
| Richardson to Osowa | 5,279.25 mi (8,496.13 km) |
| Richardson to Ostroda | 5,358.01 mi (8,622.89 km) |
| Richardson to Ostroleka | 5,436.57 mi (8,749.31 km) |
| Richardson to Ostrow Mazowiecka | 5,459.16 mi (8,785.66 km) |
| Richardson to Ostrow Wielkopolski | 5,377.91 mi (8,654.91 km) |
| Richardson to Ostrowiec Swietokrzyski | 5,528.33 mi (8,896.99 km) |
| Richardson to Ostrzeszow | 5,391.89 mi (8,677.41 km) |
| Richardson to Oswiecim | 5,495.84 mi (8,844.71 km) |
| Richardson to Otwock | 5,470.20 mi (8,803.44 km) |
| Richardson to Ozarow Mazowiecki | 5,450.72 mi (8,772.09 km) |
| Richardson to Ozimek | 5,433.64 mi (8,744.60 km) |
| Richardson to Ozorkow | 5,412.66 mi (8,710.84 km) |
| Richardson to Pabianice | 5,429.93 mi (8,738.62 km) |
