| Box Elder to Nuth | 4,618.64 mi (7,432.98 km) |
| Box Elder to Oegstgeest | 4,514.96 mi (7,266.12 km) |
| Box Elder to Oirschot | 4,572.88 mi (7,359.34 km) |
| Box Elder to Oisterwijk | 4,565.84 mi (7,348.01 km) |
| Box Elder to Oldebroek | 4,548.07 mi (7,319.41 km) |
| Box Elder to Oldenzaal | 4,586.52 mi (7,381.29 km) |
| Box Elder to Ommen | 4,561.12 mi (7,340.42 km) |
| Box Elder to Oosterend | 4,527.72 mi (7,286.67 km) |
| Box Elder to Oosterhout | 4,552.09 mi (7,325.89 km) |
| Box Elder to Oosterwolde | 4,535.30 mi (7,298.86 km) |
| Box Elder to Oostzaan | 4,516.81 mi (7,269.11 km) |
| Box Elder to Opmeer | 4,506.76 mi (7,252.94 km) |
| Box Elder to Oss | 4,567.50 mi (7,350.67 km) |
| Box Elder to Oud-Beijerland | 4,529.49 mi (7,289.52 km) |
| Box Elder to Oudenbosch | 4,543.85 mi (7,312.63 km) |
