30.800
Neptune has a surface area of about 7.64 billion square miles.
Neptune is a gas giant planet and does not have a solid surface, so it is not measured in square miles. Neptune's size is typically described in terms of its diameter, which is about 30,775 miles.
Neptune's diameter is 30,599 miles (49,244 km)
It is 15 square miles big It is 15 square miles big
In terms of surface area, Neptune covers 7.618 billion km²
495,755.1 square miles.
905,567 square miles
2,490 square miles.
163,696 square miles.
163,707 square miles.
Philippines - 115,830.6 square miles.
385 square miles (including 42.5 square miles of water).