| Wauwatosa to Oakleaf Plantation (Florida) | 954.16 mi (1,535.57 km) |
| Wauwatosa to Oakley (California) | 1,789.59 mi (2,880.06 km) |
| Wauwatosa to Oakton (Virginia) | 629.10 mi (1,012.43 km) |
| Wauwatosa to Oakville (Missouri) | 340.44 mi (547.88 km) |
| Wauwatosa to Oatfield (Oregon) | 1,705.23 mi (2,744.31 km) |
| Wauwatosa to Ocala (Florida) | 1,013.22 mi (1,630.62 km) |
| Wauwatosa to Ocean Acres (New Jersey) | 747.76 mi (1,203.41 km) |
| Wauwatosa to Ocean City (New Jersey) | 745.20 mi (1,199.28 km) |
| Wauwatosa to Ocean Pines (Maryland) | 747.04 mi (1,202.24 km) |
| Wauwatosa to Ocean Pointe (Hawaii) | 4,231.72 mi (6,810.30 km) |
| Wauwatosa to Ocean Springs (Mississippi) | 875.24 mi (1,408.57 km) |
| Wauwatosa to Oceanside (California) | 1,718.52 mi (2,765.69 km) |
| Wauwatosa to Oceanside (New York) | 758.80 mi (1,221.17 km) |
| Wauwatosa to Ocoee (Florida) | 1,063.97 mi (1,712.29 km) |
| Wauwatosa to Oconomowoc (Wisconsin) | 23.37 mi (37.61 km) |
