| Greenfield to Opole | 4,590.35 mi (7,387.46 km) |
| Greenfield to Orzesze | 4,640.86 mi (7,468.75 km) |
| Greenfield to Osowa | 4,443.02 mi (7,150.35 km) |
| Greenfield to Ostroda | 4,521.78 mi (7,277.10 km) |
| Greenfield to Ostroleka | 4,600.31 mi (7,403.48 km) |
| Greenfield to Ostrow Mazowiecka | 4,622.91 mi (7,439.85 km) |
| Greenfield to Ostrow Wielkopolski | 4,543.13 mi (7,311.45 km) |
| Greenfield to Ostrowiec Swietokrzyski | 4,692.81 mi (7,552.36 km) |
| Greenfield to Ostrzeszow | 4,557.23 mi (7,334.16 km) |
| Greenfield to Oswiecim | 4,661.75 mi (7,502.36 km) |
| Greenfield to Otwock | 4,634.21 mi (7,458.05 km) |
| Greenfield to Ozarow Mazowiecki | 4,614.79 mi (7,426.78 km) |
| Greenfield to Ozimek | 4,599.46 mi (7,402.12 km) |
| Greenfield to Ozorkow | 4,577.20 mi (7,366.29 km) |
| Greenfield to Pabianice | 4,594.61 mi (7,394.32 km) |
