| Clearfield to Opole | 5,414.14 mi (8,713.22 km) |
| Clearfield to Orzesze | 5,464.14 mi (8,793.68 km) |
| Clearfield to Osowa | 5,217.82 mi (8,397.27 km) |
| Clearfield to Ostroda | 5,294.02 mi (8,519.90 km) |
| Clearfield to Ostroleka | 5,367.46 mi (8,638.08 km) |
| Clearfield to Ostrow Mazowiecka | 5,390.49 mi (8,675.16 km) |
| Clearfield to Ostrow Wielkopolski | 5,356.38 mi (8,620.26 km) |
| Clearfield to Ostrowiec Swietokrzyski | 5,485.86 mi (8,828.63 km) |
| Clearfield to Ostrzeszow | 5,372.32 mi (8,645.91 km) |
| Clearfield to Oswiecim | 5,482.54 mi (8,823.29 km) |
| Clearfield to Otwock | 5,414.82 mi (8,714.32 km) |
| Clearfield to Ozarow Mazowiecki | 5,397.99 mi (8,687.22 km) |
| Clearfield to Ozimek | 5,420.99 mi (8,724.25 km) |
| Clearfield to Ozorkow | 5,375.33 mi (8,650.76 km) |
| Clearfield to Pabianice | 5,395.65 mi (8,683.46 km) |
