| Brookings to Opole | 4,800.58 mi (7,725.79 km) |
| Brookings to Orzesze | 4,851.24 mi (7,807.31 km) |
| Brookings to Osowa | 4,630.42 mi (7,451.94 km) |
| Brookings to Ostroda | 4,708.71 mi (7,577.93 km) |
| Brookings to Ostroleka | 4,785.65 mi (7,701.76 km) |
| Brookings to Ostrow Mazowiecka | 4,808.63 mi (7,738.73 km) |
| Brookings to Ostrow Wielkopolski | 4,748.32 mi (7,641.68 km) |
| Brookings to Ostrowiec Swietokrzyski | 4,890.23 mi (7,870.06 km) |
| Brookings to Ostrzeszow | 4,763.34 mi (7,665.86 km) |
| Brookings to Oswiecim | 4,871.17 mi (7,839.40 km) |
| Brookings to Otwock | 4,825.72 mi (7,766.24 km) |
| Brookings to Ozarow Mazowiecki | 4,807.27 mi (7,736.56 km) |
| Brookings to Ozimek | 4,808.76 mi (7,738.95 km) |
| Brookings to Ozorkow | 4,775.96 mi (7,686.16 km) |
| Brookings to Pabianice | 4,794.79 mi (7,716.47 km) |
