How Far Away is Comet 21P/Giacobini-Zinner from Earth?
The distance of Comet 21P/Giacobini-Zinner from Earth is currently 369,160,869 kilometers, equivalent to 2.467688 Astronomical Units. Light takes 20 minutes and 31.3881 seconds to travel from Comet 21P/Giacobini-Zinner and arrive to us.