| Huber Heights to Nuth | 4,156.91 mi (6,689.90 km) |
| Huber Heights to Oegstgeest | 4,062.96 mi (6,538.71 km) |
| Huber Heights to Oirschot | 4,115.94 mi (6,623.96 km) |
| Huber Heights to Oisterwijk | 4,109.49 mi (6,613.59 km) |
| Huber Heights to Oldebroek | 4,108.84 mi (6,612.54 km) |
| Huber Heights to Oldenzaal | 4,151.78 mi (6,681.65 km) |
| Huber Heights to Ommen | 4,126.09 mi (6,640.30 km) |
| Huber Heights to Oosterend | 4,097.76 mi (6,594.70 km) |
| Huber Heights to Oosterhout | 4,094.49 mi (6,589.45 km) |
| Huber Heights to Oosterwolde | 4,106.52 mi (6,608.80 km) |
| Huber Heights to Oostzaan | 4,071.09 mi (6,551.79 km) |
| Huber Heights to Opmeer | 4,065.44 mi (6,542.70 km) |
| Huber Heights to Oss | 4,115.82 mi (6,623.76 km) |
| Huber Heights to Oud-Beijerland | 4,071.64 mi (6,552.67 km) |
| Huber Heights to Oudenbosch | 4,083.40 mi (6,571.59 km) |
