| Unterwellenborn to Oakley (California) | 5,684.46 mi (9,148.25 km) |
| Unterwellenborn to Oakton (Virginia) | 4,162.23 mi (6,698.46 km) |
| Unterwellenborn to Oakville (Missouri) | 4,676.63 mi (7,526.31 km) |
| Unterwellenborn to Oatfield (Oregon) | 5,253.03 mi (8,453.94 km) |
| Unterwellenborn to Ocala (Florida) | 4,835.12 mi (7,781.37 km) |
| Unterwellenborn to Ocean Acres (New Jersey) | 4,003.22 mi (6,442.56 km) |
| Unterwellenborn to Ocean City (New Jersey) | 4,037.90 mi (6,498.37 km) |
| Unterwellenborn to Ocean Pines (Maryland) | 4,100.75 mi (6,599.52 km) |
| Unterwellenborn to Ocean Pointe (Hawaii) | 7,422.61 mi (11,945.53 km) |
| Unterwellenborn to Ocean Springs (Mississippi) | 5,035.53 mi (8,103.90 km) |
| Unterwellenborn to Oceanside (California) | 5,854.39 mi (9,421.73 km) |
| Unterwellenborn to Oceanside (New York) | 3,937.05 mi (6,336.06 km) |
| Unterwellenborn to Ocoee (Florida) | 4,840.51 mi (7,790.04 km) |
| Unterwellenborn to Oconomowoc (Wisconsin) | 4,377.00 mi (7,044.10 km) |
| Unterwellenborn to Odenton (Maryland) | 4,129.99 mi (6,646.57 km) |
