| Redding to Opole | 5,691.86 mi (9,160.16 km) |
| Redding to Orzesze | 5,740.52 mi (9,238.47 km) |
| Redding to Osowa | 5,476.22 mi (8,813.13 km) |
| Redding to Ostroda | 5,549.40 mi (8,930.90 km) |
| Redding to Ostroleka | 5,618.66 mi (9,042.35 km) |
| Redding to Ostrow Mazowiecka | 5,641.36 mi (9,078.89 km) |
| Redding to Ostrow Wielkopolski | 5,630.21 mi (9,060.95 km) |
| Redding to Ostrowiec Swietokrzyski | 5,746.92 mi (9,248.77 km) |
| Redding to Ostrzeszow | 5,646.68 mi (9,087.46 km) |
| Redding to Oswiecim | 5,757.29 mi (9,265.47 km) |
| Redding to Otwock | 5,671.44 mi (9,127.30 km) |
| Redding to Ozarow Mazowiecki | 5,656.25 mi (9,102.86 km) |
| Redding to Ozimek | 5,697.45 mi (9,169.16 km) |
| Redding to Ozorkow | 5,641.37 mi (9,078.90 km) |
| Redding to Pabianice | 5,662.65 mi (9,113.15 km) |
