It's more or less impossible to answer this, since it depends on the exact route taken. It may give you some idea to know that it took the Voyager 2 spacecraft about 12 years to make the trip, though the scientists who planned it did not do so to optimize the travel time to Neptune specifically (it also visited several other planets first... that said, this probably didn't adversely impact the travel time too much).
How long it takes to get to Neptune by rocket depends on how fast the rocket is. In 1989, Voyager 2 took a little over 12 years to reach Neptune.
The rotation period of Neptune is 16.1 earth hours.
32 days by car
very long time lol
165 earth years.
It takes about 7 Monthes to get to Pluto from earth
It took twelve years to get from earth to neptune.
The rotation period of Neptune is 16.1 earth hours.
32 days by car
Neptune takes about 165 Earth years.
16.11 hours.
it doesent orbit the earth it orbits the sun.
Nearly 165 Earth years.
Probably about 12 years and 3 months.
very long time lol
165 earth years.
It takes about 7 Monthes to get to Pluto from earth
It takes 164.79 earth years.