| Opelousas to Opole | 5,397.06 mi (8,685.73 km) |
| Opelousas to Orzesze | 5,446.92 mi (8,765.97 km) |
| Opelousas to Osowa | 5,270.32 mi (8,481.76 km) |
| Opelousas to Ostroda | 5,348.77 mi (8,608.01 km) |
| Opelousas to Ostroleka | 5,427.84 mi (8,735.27 km) |
| Opelousas to Ostrow Mazowiecka | 5,449.96 mi (8,770.87 km) |
| Opelousas to Ostrow Wielkopolski | 5,354.83 mi (8,617.76 km) |
| Opelousas to Ostrowiec Swietokrzyski | 5,509.80 mi (8,867.17 km) |
| Opelousas to Ostrzeszow | 5,367.99 mi (8,638.94 km) |
| Opelousas to Oswiecim | 5,468.47 mi (8,800.65 km) |
| Opelousas to Otwock | 5,456.61 mi (8,781.56 km) |
| Opelousas to Ozarow Mazowiecki | 5,436.56 mi (8,749.29 km) |
| Opelousas to Ozimek | 5,406.93 mi (8,701.62 km) |
| Opelousas to Ozorkow | 5,394.12 mi (8,681.00 km) |
| Opelousas to Pabianice | 5,410.17 mi (8,706.82 km) |
