| Holbrook to Opole | 4,159.56 mi (6,694.16 km) |
| Holbrook to Orzesze | 4,208.47 mi (6,772.88 km) |
| Holbrook to Osowa | 4,055.52 mi (6,526.73 km) |
| Holbrook to Ostroda | 4,132.75 mi (6,651.02 km) |
| Holbrook to Ostroleka | 4,211.70 mi (6,778.08 km) |
| Holbrook to Ostrow Mazowiecka | 4,233.01 mi (6,812.38 km) |
| Holbrook to Ostrow Wielkopolski | 4,122.22 mi (6,634.07 km) |
| Holbrook to Ostrowiec Swietokrzyski | 4,281.05 mi (6,889.68 km) |
| Holbrook to Ostrzeszow | 4,134.37 mi (6,653.62 km) |
| Holbrook to Oswiecim | 4,230.42 mi (6,808.20 km) |
| Holbrook to Otwock | 4,234.13 mi (6,814.17 km) |
| Holbrook to Ozarow Mazowiecki | 4,213.57 mi (6,781.09 km) |
| Holbrook to Ozimek | 4,170.02 mi (6,711.00 km) |
| Holbrook to Ozorkow | 4,166.33 mi (6,705.06 km) |
| Holbrook to Pabianice | 4,180.84 mi (6,728.41 km) |
