| Menomonee Falls to Oakley (California) | 1,785.13 mi (2,872.90 km) |
| Menomonee Falls to Oakton (Virginia) | 635.58 mi (1,022.87 km) |
| Menomonee Falls to Oakville (Missouri) | 344.49 mi (554.40 km) |
| Menomonee Falls to Oatfield (Oregon) | 1,699.20 mi (2,734.59 km) |
| Menomonee Falls to Ocala (Florida) | 1,020.42 mi (1,642.21 km) |
| Menomonee Falls to Ocean Acres (New Jersey) | 753.47 mi (1,212.59 km) |
| Menomonee Falls to Ocean City (New Jersey) | 751.14 mi (1,208.84 km) |
| Menomonee Falls to Ocean Pines (Maryland) | 753.37 mi (1,212.43 km) |
| Menomonee Falls to Ocean Pointe (Hawaii) | 4,226.97 mi (6,802.65 km) |
| Menomonee Falls to Ocean Springs (Mississippi) | 881.04 mi (1,417.90 km) |
| Menomonee Falls to Oceanside (California) | 1,715.62 mi (2,761.02 km) |
| Menomonee Falls to Oceanside (New York) | 764.04 mi (1,229.60 km) |
| Menomonee Falls to Ocoee (Florida) | 1,071.21 mi (1,723.95 km) |
| Menomonee Falls to Oconomowoc (Wisconsin) | 19.07 mi (30.69 km) |
| Menomonee Falls to Odenton (Maryland) | 657.71 mi (1,058.48 km) |
