| Reidsville to Oerlinghausen | 4,231.46 mi (6,809.87 km) |
| Reidsville to Oestrich-Winkel | 4,259.22 mi (6,854.55 km) |
| Reidsville to Offenburg | 4,299.91 mi (6,920.03 km) |
| Reidsville to Oftersheim | 4,300.88 mi (6,921.59 km) |
| Reidsville to Ohrdruf | 4,344.96 mi (6,992.54 km) |
| Reidsville to Ohringen | 4,343.26 mi (6,989.81 km) |
| Reidsville to Olbernhau | 4,452.00 mi (7,164.80 km) |
| Reidsville to Olching | 4,447.98 mi (7,158.33 km) |
| Reidsville to Oldenburg | 4,182.35 mi (6,730.84 km) |
| Reidsville to Oldenburg in Holstein | 4,251.60 mi (6,842.29 km) |
| Reidsville to Olfen | 4,187.73 mi (6,739.51 km) |
| Reidsville to Olpe | 4,224.44 mi (6,798.59 km) |
| Reidsville to Olsberg | 4,241.16 mi (6,825.48 km) |
| Reidsville to Oranienburg | 4,384.11 mi (7,055.55 km) |
| Reidsville to Ortenberg | 4,291.81 mi (6,907.00 km) |
