| Spartanburg to Oerlinghausen | 4,388.59 mi (7,062.75 km) |
| Spartanburg to Oestrich-Winkel | 4,417.16 mi (7,108.74 km) |
| Spartanburg to Offenburg | 4,458.28 mi (7,174.92 km) |
| Spartanburg to Oftersheim | 4,458.96 mi (7,176.01 km) |
| Spartanburg to Ohrdruf | 4,502.32 mi (7,245.79 km) |
| Spartanburg to Ohringen | 4,501.32 mi (7,244.17 km) |
| Spartanburg to Olbernhau | 4,609.10 mi (7,417.63 km) |
| Spartanburg to Olching | 4,606.15 mi (7,412.88 km) |
| Spartanburg to Oldenburg | 4,338.99 mi (6,982.94 km) |
| Spartanburg to Oldenburg in Holstein | 4,407.26 mi (7,092.81 km) |
| Spartanburg to Olfen | 4,345.12 mi (6,992.79 km) |
| Spartanburg to Olpe | 4,382.05 mi (7,052.23 km) |
| Spartanburg to Olsberg | 4,398.57 mi (7,078.81 km) |
| Spartanburg to Oranienburg | 4,540.26 mi (7,306.85 km) |
| Spartanburg to Ortenberg | 4,449.53 mi (7,160.83 km) |
