| American Canyon to Opole | 5,840.31 mi (9,399.06 km) |
| American Canyon to Orzesze | 5,889.22 mi (9,477.78 km) |
| American Canyon to Osowa | 5,627.32 mi (9,056.29 km) |
| American Canyon to Ostroda | 5,700.98 mi (9,174.84 km) |
| American Canyon to Ostroleka | 5,770.86 mi (9,287.30 km) |
| American Canyon to Ostrow Mazowiecka | 5,793.63 mi (9,323.94 km) |
| American Canyon to Ostrow Wielkopolski | 5,779.20 mi (9,300.72 km) |
| American Canyon to Ostrowiec Swietokrzyski | 5,897.88 mi (9,491.72 km) |
| American Canyon to Ostrzeszow | 5,795.60 mi (9,327.12 km) |
| American Canyon to Oswiecim | 5,906.26 mi (9,505.20 km) |
| American Canyon to Otwock | 5,822.96 mi (9,371.15 km) |
| American Canyon to Ozarow Mazowiecki | 5,807.53 mi (9,346.31 km) |
| American Canyon to Ozimek | 5,846.10 mi (9,408.39 km) |
| American Canyon to Ozorkow | 5,791.52 mi (9,320.56 km) |
| American Canyon to Pabianice | 5,812.68 mi (9,354.61 km) |
