| Buckeye to Nuth | 5,516.43 mi (8,877.84 km) |
| Buckeye to Oegstgeest | 5,412.97 mi (8,711.34 km) |
| Buckeye to Oirschot | 5,470.79 mi (8,804.39 km) |
| Buckeye to Oisterwijk | 5,463.77 mi (8,793.08 km) |
| Buckeye to Oldebroek | 5,446.43 mi (8,765.18 km) |
| Buckeye to Oldenzaal | 5,484.96 mi (8,827.20 km) |
| Buckeye to Ommen | 5,459.55 mi (8,786.30 km) |
| Buckeye to Oosterend | 5,426.20 mi (8,732.63 km) |
| Buckeye to Oosterhout | 5,449.96 mi (8,770.87 km) |
| Buckeye to Oosterwolde | 5,433.79 mi (8,744.84 km) |
| Buckeye to Oostzaan | 5,415.01 mi (8,714.62 km) |
| Buckeye to Opmeer | 5,405.05 mi (8,698.60 km) |
| Buckeye to Oss | 5,465.57 mi (8,795.99 km) |
| Buckeye to Oud-Beijerland | 5,427.33 mi (8,734.44 km) |
| Buckeye to Oudenbosch | 5,441.61 mi (8,757.42 km) |
