| Clemmons to Opole | 4,671.78 mi (7,518.51 km) |
| Clemmons to Orzesze | 4,720.87 mi (7,597.51 km) |
| Clemmons to Osowa | 4,563.24 mi (7,343.83 km) |
| Clemmons to Ostroda | 4,640.82 mi (7,468.68 km) |
| Clemmons to Ostroleka | 4,719.87 mi (7,595.90 km) |
| Clemmons to Ostrow Mazowiecka | 4,741.38 mi (7,630.51 km) |
| Clemmons to Ostrow Wielkopolski | 4,633.59 mi (7,457.04 km) |
| Clemmons to Ostrowiec Swietokrzyski | 4,791.82 mi (7,711.68 km) |
| Clemmons to Ostrzeszow | 4,645.92 mi (7,476.89 km) |
| Clemmons to Oswiecim | 4,742.77 mi (7,632.75 km) |
| Clemmons to Otwock | 4,743.64 mi (7,634.15 km) |
| Clemmons to Ozarow Mazowiecki | 4,723.17 mi (7,601.21 km) |
| Clemmons to Ozimek | 4,682.15 mi (7,535.20 km) |
| Clemmons to Ozorkow | 4,676.84 mi (7,526.64 km) |
| Clemmons to Pabianice | 4,691.65 mi (7,550.48 km) |
