Depends on your speed.
81/3 minutes from the sun's surface, but possibly thousands of yearsto reach the sun's surface from its center.
It would take 120 years to go to the center of earth
I myself cannot cycle to the center of the earth.
Billions of years
Energy, in the form of radiation, takes about 8 minutes to reach from the surface of Sun to the surface of Earth.
It takes about 8 minutes and 20 seconds for a photon to travel from the surface of the sun to Earth.
It would take one hour to get to the center of the earth
From the surface of the sun the heat radiations take 8 minutes to reach the surface of hte earth.
Earth and moon orbit their common center of mass every 27.32 days.
25,000 years.
The Earth and moon revolve around their mutual center of mass every 27.32 days.
Take a walk outside. Then you will be walking on the Earth's solid surface.