| Hiddenhausen to Oakley (California) | 5,528.28 mi (8,896.90 km) |
| Hiddenhausen to Oakton (Virginia) | 4,007.85 mi (6,450.01 km) |
| Hiddenhausen to Oakville (Missouri) | 4,517.85 mi (7,270.77 km) |
| Hiddenhausen to Oatfield (Oregon) | 5,099.88 mi (8,207.47 km) |
| Hiddenhausen to Ocala (Florida) | 4,684.40 mi (7,538.82 km) |
| Hiddenhausen to Ocean Acres (New Jersey) | 3,849.72 mi (6,195.53 km) |
| Hiddenhausen to Ocean City (New Jersey) | 3,884.57 mi (6,251.61 km) |
| Hiddenhausen to Ocean Pines (Maryland) | 3,947.77 mi (6,353.33 km) |
| Hiddenhausen to Ocean Pointe (Hawaii) | 7,296.08 mi (11,741.91 km) |
| Hiddenhausen to Ocean Springs (Mississippi) | 4,880.32 mi (7,854.12 km) |
| Hiddenhausen to Oceanside (California) | 5,695.50 mi (9,166.03 km) |
| Hiddenhausen to Oceanside (New York) | 3,783.22 mi (6,088.51 km) |
| Hiddenhausen to Ocoee (Florida) | 4,690.62 mi (7,548.83 km) |
| Hiddenhausen to Oconomowoc (Wisconsin) | 4,217.45 mi (6,787.34 km) |
| Hiddenhausen to Odenton (Maryland) | 3,975.78 mi (6,398.40 km) |
