| Opelika to Opole | 5,034.70 mi (8,102.57 km) |
| Opelika to Orzesze | 5,083.98 mi (8,181.88 km) |
| Opelika to Osowa | 4,921.65 mi (7,920.63 km) |
| Opelika to Ostroda | 4,999.51 mi (8,045.93 km) |
| Opelika to Ostroleka | 5,078.62 mi (8,173.25 km) |
| Opelika to Ostrow Mazowiecka | 5,100.30 mi (8,208.14 km) |
| Opelika to Ostrow Wielkopolski | 4,995.57 mi (8,039.59 km) |
| Opelika to Ostrowiec Swietokrzyski | 5,153.11 mi (8,293.13 km) |
| Opelika to Ostrzeszow | 5,008.10 mi (8,059.76 km) |
| Opelika to Oswiecim | 5,105.81 mi (8,217.01 km) |
| Opelika to Otwock | 5,103.68 mi (8,213.58 km) |
| Opelika to Ozarow Mazowiecki | 5,083.31 mi (8,180.79 km) |
| Opelika to Ozimek | 5,044.97 mi (8,119.09 km) |
| Opelika to Ozorkow | 5,037.91 mi (8,107.72 km) |
| Opelika to Pabianice | 5,053.02 mi (8,132.05 km) |
