| Orangeburg to Nuth | 4,334.36 mi (6,975.49 km) |
| Orangeburg to Oegstgeest | 4,247.56 mi (6,835.79 km) |
| Orangeburg to Oirschot | 4,296.77 mi (6,914.99 km) |
| Orangeburg to Oisterwijk | 4,290.78 mi (6,905.35 km) |
| Orangeburg to Oldebroek | 4,298.58 mi (6,917.90 km) |
| Orangeburg to Oldenzaal | 4,342.67 mi (6,988.85 km) |
| Orangeburg to Ommen | 4,317.45 mi (6,948.27 km) |
| Orangeburg to Oosterend | 4,292.26 mi (6,907.73 km) |
| Orangeburg to Oosterhout | 4,275.53 mi (6,880.80 km) |
| Orangeburg to Oosterwolde | 4,301.38 mi (6,922.40 km) |
| Orangeburg to Oostzaan | 4,258.58 mi (6,853.52 km) |
| Orangeburg to Opmeer | 4,255.22 mi (6,848.12 km) |
| Orangeburg to Oss | 4,299.27 mi (6,919.00 km) |
| Orangeburg to Oud-Beijerland | 4,253.12 mi (6,844.73 km) |
| Orangeburg to Oudenbosch | 4,263.28 mi (6,861.09 km) |
