| Winston-Salem to Oberkirch | 4,339.50 mi (6,983.76 km) |
| Winston-Salem to Obernburg am Main | 4,345.02 mi (6,992.64 km) |
| Winston-Salem to Obernkirchen | 4,275.28 mi (6,880.39 km) |
| Winston-Salem to Oberschleissheim | 4,491.82 mi (7,228.88 km) |
| Winston-Salem to Oberstdorf | 4,464.68 mi (7,185.22 km) |
| Winston-Salem to Obertraubling | 4,493.76 mi (7,232.00 km) |
| Winston-Salem to Obertshausen | 4,326.04 mi (6,962.09 km) |
| Winston-Salem to Oberursel | 4,311.80 mi (6,939.17 km) |
| Winston-Salem to Ochsenfurt | 4,388.00 mi (7,061.80 km) |
| Winston-Salem to Ochsenhausen | 4,430.58 mi (7,130.33 km) |
| Winston-Salem to Ochtrup | 4,201.86 mi (6,762.24 km) |
| Winston-Salem to Odenthal | 4,230.17 mi (6,807.81 km) |
| Winston-Salem to Oelde | 4,249.45 mi (6,838.82 km) |
| Winston-Salem to Oelsnitz | 4,448.59 mi (7,159.32 km) |
| Winston-Salem to Oer-Erkenschwick | 4,219.18 mi (6,790.11 km) |
