| Greensboro to Opole | 4,647.34 mi (7,479.17 km) |
| Greensboro to Orzesze | 4,696.36 mi (7,558.06 km) |
| Greensboro to Osowa | 4,540.15 mi (7,306.66 km) |
| Greensboro to Ostroda | 4,617.64 mi (7,431.38 km) |
| Greensboro to Ostroleka | 4,696.67 mi (7,558.57 km) |
| Greensboro to Ostrow Mazowiecka | 4,718.13 mi (7,593.10 km) |
| Greensboro to Ostrow Wielkopolski | 4,609.45 mi (7,418.19 km) |
| Greensboro to Ostrowiec Swietokrzyski | 4,767.88 mi (7,673.17 km) |
| Greensboro to Ostrzeszow | 4,621.72 mi (7,437.94 km) |
| Greensboro to Oswiecim | 4,718.27 mi (7,593.33 km) |
| Greensboro to Otwock | 4,720.08 mi (7,596.24 km) |
| Greensboro to Ozarow Mazowiecki | 4,699.59 mi (7,563.26 km) |
| Greensboro to Ozimek | 4,657.74 mi (7,495.91 km) |
| Greensboro to Ozorkow | 4,652.98 mi (7,488.25 km) |
| Greensboro to Pabianice | 4,667.70 mi (7,511.94 km) |
