| Barrington to Opole | 4,636.42 mi (7,461.59 km) |
| Barrington to Orzesze | 4,686.89 mi (7,542.82 km) |
| Barrington to Osowa | 4,490.94 mi (7,227.47 km) |
| Barrington to Ostroda | 4,569.70 mi (7,354.22 km) |
| Barrington to Ostroleka | 4,648.30 mi (7,480.71 km) |
| Barrington to Ostrow Mazowiecka | 4,670.86 mi (7,517.02 km) |
| Barrington to Ostrow Wielkopolski | 4,589.62 mi (7,386.29 km) |
| Barrington to Ostrowiec Swietokrzyski | 4,739.85 mi (7,628.06 km) |
| Barrington to Ostrzeszow | 4,603.65 mi (7,408.86 km) |
| Barrington to Oswiecim | 4,707.84 mi (7,576.54 km) |
| Barrington to Otwock | 4,681.73 mi (7,534.52 km) |
| Barrington to Ozarow Mazowiecki | 4,662.24 mi (7,503.15 km) |
| Barrington to Ozimek | 4,645.60 mi (7,476.37 km) |
| Barrington to Ozorkow | 4,624.19 mi (7,441.91 km) |
| Barrington to Pabianice | 4,641.49 mi (7,469.75 km) |
