| Half Moon Bay to Opole | 5,889.18 mi (9,477.73 km) |
| Half Moon Bay to Orzesze | 5,938.13 mi (9,556.50 km) |
| Half Moon Bay to Osowa | 5,676.58 mi (9,135.58 km) |
| Half Moon Bay to Ostroda | 5,750.31 mi (9,254.23 km) |
| Half Moon Bay to Ostroleka | 5,820.27 mi (9,366.82 km) |
| Half Moon Bay to Ostrow Mazowiecka | 5,843.04 mi (9,403.47 km) |
| Half Moon Bay to Ostrow Wielkopolski | 5,828.16 mi (9,379.52 km) |
| Half Moon Bay to Ostrowiec Swietokrzyski | 5,947.12 mi (9,570.97 km) |
| Half Moon Bay to Ostrzeszow | 5,844.56 mi (9,405.90 km) |
| Half Moon Bay to Oswiecim | 5,955.21 mi (9,583.99 km) |
| Half Moon Bay to Otwock | 5,872.28 mi (9,450.52 km) |
| Half Moon Bay to Ozarow Mazowiecki | 5,856.81 mi (9,425.63 km) |
| Half Moon Bay to Ozimek | 5,895.01 mi (9,487.10 km) |
| Half Moon Bay to Ozorkow | 5,840.66 mi (9,399.63 km) |
| Half Moon Bay to Pabianice | 5,861.80 mi (9,433.65 km) |
