| Greenlawn to Opole | 4,167.55 mi (6,707.02 km) |
| Greenlawn to Orzesze | 4,216.51 mi (6,785.83 km) |
| Greenlawn to Osowa | 4,062.51 mi (6,537.98 km) |
| Greenlawn to Ostroda | 4,139.81 mi (6,662.38 km) |
| Greenlawn to Ostroleka | 4,218.78 mi (6,789.47 km) |
| Greenlawn to Ostrow Mazowiecka | 4,240.13 mi (6,823.83 km) |
| Greenlawn to Ostrow Wielkopolski | 4,129.97 mi (6,646.55 km) |
| Greenlawn to Ostrowiec Swietokrzyski | 4,288.66 mi (6,901.94 km) |
| Greenlawn to Ostrzeszow | 4,142.17 mi (6,666.18 km) |
| Greenlawn to Oswiecim | 4,238.45 mi (6,821.12 km) |
| Greenlawn to Otwock | 4,241.47 mi (6,825.98 km) |
| Greenlawn to Ozarow Mazowiecki | 4,220.93 mi (6,792.93 km) |
| Greenlawn to Ozimek | 4,177.98 mi (6,723.82 km) |
| Greenlawn to Ozorkow | 4,173.88 mi (6,717.22 km) |
| Greenlawn to Pabianice | 4,188.46 mi (6,740.68 km) |
