| Federal Heights to Opole | 5,294.86 mi (8,521.25 km) |
| Federal Heights to Orzesze | 5,345.40 mi (8,602.59 km) |
| Federal Heights to Osowa | 5,115.52 mi (8,232.64 km) |
| Federal Heights to Ostroda | 5,193.27 mi (8,357.76 km) |
| Federal Heights to Ostroleka | 5,269.17 mi (8,479.90 km) |
| Federal Heights to Ostrow Mazowiecka | 5,292.22 mi (8,517.00 km) |
| Federal Heights to Ostrow Wielkopolski | 5,240.70 mi (8,434.09 km) |
| Federal Heights to Ostrowiec Swietokrzyski | 5,378.77 mi (8,656.30 km) |
| Federal Heights to Ostrzeszow | 5,256.06 mi (8,458.80 km) |
| Federal Heights to Oswiecim | 5,364.89 mi (8,633.95 km) |
| Federal Heights to Otwock | 5,311.88 mi (8,548.65 km) |
| Federal Heights to Ozarow Mazowiecki | 5,293.95 mi (8,519.79 km) |
| Federal Heights to Ozimek | 5,302.62 mi (8,533.75 km) |
| Federal Heights to Ozorkow | 5,265.51 mi (8,474.02 km) |
| Federal Heights to Pabianice | 5,284.89 mi (8,505.20 km) |
