NASA has successfully landed astronauts on the Moon during the Apollo missions between 1969 and 1972. Landing on the Moon and knowing the location of other celestial bodies, such as Venus, are two separate matters.
While it is true that NASA has not sent crewed missions to Venus, it doesn't mean they don't know where Venus is located. NASA, along with other space agencies and astronomers around the world, has gathered extensive knowledge about Venus through various means, including telescopic observations, spacecraft missions, and radar mapping.
NASA has launched several missions to Venus, including the Mariner and Pioneer spacecraft in the past, and more recently, the Magellan mission in the 1990s. These missions have provided valuable data about Venus' atmosphere, surface features, and composition.
The reason NASA hasn't sent crewed missions to Venus is due to the extremely harsh conditions on the planet's surface, such as its thick atmosphere, extreme temperatures, and high atmospheric pressure. It poses significant challenges for human exploration.
So, while NASA hasn't sent crewed missions to Venus, they do have knowledge about its location and have conducted various scientific studies and missions to gather information about the planet.