| Winston-Salem to Oerlinghausen | 4,266.01 mi (6,865.49 km) |
| Winston-Salem to Oestrich-Winkel | 4,294.22 mi (6,910.88 km) |
| Winston-Salem to Offenburg | 4,335.19 mi (6,976.82 km) |
| Winston-Salem to Oftersheim | 4,335.97 mi (6,978.06 km) |
| Winston-Salem to Ohrdruf | 4,379.64 mi (7,048.35 km) |
| Winston-Salem to Ohringen | 4,378.33 mi (7,046.25 km) |
| Winston-Salem to Olbernhau | 4,486.54 mi (7,220.39 km) |
| Winston-Salem to Olching | 4,483.13 mi (7,214.89 km) |
| Winston-Salem to Oldenburg | 4,216.67 mi (6,786.07 km) |
| Winston-Salem to Oldenburg in Holstein | 4,285.48 mi (6,896.81 km) |
| Winston-Salem to Olfen | 4,222.42 mi (6,795.33 km) |
| Winston-Salem to Olpe | 4,259.25 mi (6,854.60 km) |
| Winston-Salem to Olsberg | 4,275.86 mi (6,881.33 km) |
| Winston-Salem to Oranienburg | 4,418.20 mi (7,110.41 km) |
| Winston-Salem to Ortenberg | 4,326.68 mi (6,963.12 km) |
