| Reston to Opole | 4,410.92 mi (7,098.69 km) |
| Reston to Orzesze | 4,460.08 mi (7,177.80 km) |
| Reston to Osowa | 4,301.72 mi (6,922.94 km) |
| Reston to Ostroda | 4,379.30 mi (7,047.80 km) |
| Reston to Ostroleka | 4,458.35 mi (7,175.03 km) |
| Reston to Ostrow Mazowiecka | 4,479.87 mi (7,209.65 km) |
| Reston to Ostrow Wielkopolski | 4,372.46 mi (7,036.80 km) |
| Reston to Ostrowiec Swietokrzyski | 4,530.56 mi (7,291.23 km) |
| Reston to Ostrzeszow | 4,384.85 mi (7,056.73 km) |
| Reston to Oswiecim | 4,481.95 mi (7,213.00 km) |
| Reston to Otwock | 4,482.21 mi (7,213.42 km) |
| Reston to Ozarow Mazowiecki | 4,461.75 mi (7,180.49 km) |
| Reston to Ozimek | 4,421.26 mi (7,115.33 km) |
| Reston to Ozorkow | 4,415.54 mi (7,106.12 km) |
| Reston to Pabianice | 4,430.40 mi (7,130.04 km) |
