It depends on the Earth's position.
TPO
Using current technology: it can take as little as 6 months and as long as a year to get to mars at optimum position
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You can't.
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.