| Spartanburg to Oberkirch | 4,462.59 mi (7,181.84 km) |
| Spartanburg to Obernburg am Main | 4,467.94 mi (7,190.46 km) |
| Spartanburg to Obernkirchen | 4,397.76 mi (7,077.51 km) |
| Spartanburg to Oberschleissheim | 4,614.83 mi (7,426.85 km) |
| Spartanburg to Oberstdorf | 4,587.79 mi (7,383.34 km) |
| Spartanburg to Obertraubling | 4,616.67 mi (7,429.80 km) |
| Spartanburg to Obertshausen | 4,448.94 mi (7,159.88 km) |
| Spartanburg to Oberursel | 4,434.69 mi (7,136.95 km) |
| Spartanburg to Ochsenfurt | 4,510.91 mi (7,259.60 km) |
| Spartanburg to Ochsenhausen | 4,553.66 mi (7,328.40 km) |
| Spartanburg to Ochtrup | 4,324.47 mi (6,959.56 km) |
| Spartanburg to Odenthal | 4,353.00 mi (7,005.48 km) |
| Spartanburg to Oelde | 4,372.08 mi (7,036.18 km) |
| Spartanburg to Oelsnitz | 4,571.27 mi (7,356.75 km) |
| Spartanburg to Oer-Erkenschwick | 4,341.89 mi (6,987.60 km) |
