Using current technology:
it can take as little as 6 months and as long as a year to get to mars at optimum position
You can't.
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200
It depends completely on the type of propulsion used to get to Mars.
About 2 years. Scientists say it may take 1 year to get to Mars
it would take at least 197.456 hours to get to mars from earth
About 10 months.
1 year
8.5 months
It would take nine months.
a year on mars is equivalent to 687 earth days.
not sure