| Langenfeld to Oakley (California) | 5,541.22 mi (8,917.73 km) |
| Langenfeld to Oakton (Virginia) | 3,971.25 mi (6,391.12 km) |
| Langenfeld to Oakville (Missouri) | 4,494.57 mi (7,233.31 km) |
| Langenfeld to Oatfield (Oregon) | 5,120.40 mi (8,240.48 km) |
| Langenfeld to Ocala (Florida) | 4,640.56 mi (7,468.26 km) |
| Langenfeld to Ocean Acres (New Jersey) | 3,811.26 mi (6,133.63 km) |
| Langenfeld to Ocean City (New Jersey) | 3,845.74 mi (6,189.11 km) |
| Langenfeld to Ocean Pines (Maryland) | 3,908.22 mi (6,289.67 km) |
| Langenfeld to Ocean Pointe (Hawaii) | 7,349.58 mi (11,828.00 km) |
| Langenfeld to Ocean Springs (Mississippi) | 4,845.47 mi (7,798.04 km) |
| Langenfeld to Oceanside (California) | 5,698.64 mi (9,171.08 km) |
| Langenfeld to Oceanside (New York) | 3,745.45 mi (6,027.72 km) |
| Langenfeld to Ocoee (Florida) | 4,645.39 mi (7,476.04 km) |
| Langenfeld to Oconomowoc (Wisconsin) | 4,198.50 mi (6,756.83 km) |
| Langenfeld to Odenton (Maryland) | 3,938.81 mi (6,338.90 km) |
