| Wilmington to Opole | 4,667.95 mi (7,512.34 km) |
| Wilmington to Orzesze | 4,716.32 mi (7,590.19 km) |
| Wilmington to Osowa | 4,571.87 mi (7,357.72 km) |
| Wilmington to Ostroda | 4,648.64 mi (7,481.26 km) |
| Wilmington to Ostroleka | 4,727.40 mi (7,608.02 km) |
| Wilmington to Ostrow Mazowiecka | 4,748.45 mi (7,641.89 km) |
| Wilmington to Ostrow Wielkopolski | 4,632.72 mi (7,455.64 km) |
| Wilmington to Ostrowiec Swietokrzyski | 4,792.65 mi (7,713.03 km) |
| Wilmington to Ostrzeszow | 4,644.44 mi (7,474.51 km) |
| Wilmington to Oswiecim | 4,738.40 mi (7,625.72 km) |
| Wilmington to Otwock | 4,747.93 mi (7,641.06 km) |
| Wilmington to Ozarow Mazowiecki | 4,727.26 mi (7,607.79 km) |
| Wilmington to Ozimek | 4,678.64 mi (7,529.55 km) |
| Wilmington to Ozorkow | 4,678.52 mi (7,529.35 km) |
| Wilmington to Pabianice | 4,692.45 mi (7,551.77 km) |
