Where a stipulator had no interest in the performance for the third party (and provided the stipulatio alteri was phrased correctly), the promisor first had to confirm the promise by oath in order to render the natural obligation into a civil obligation.
How far away is Venus from Earth? The planet Venus is the second planet from the sun and Earth is the third. Venus is the closest planet to Earth. It is about 25 million miles (40 million kilometers) away from Earth.
For example, the planet Venus is about 42 million kilometers (26 million miles) from Earth at its closest point and about 258 million kilometers (160 million miles) away at its most distant point.