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4.2 miles walking is 4.2 miles long., but

if you look up "how fast does a human walk" you can do the math to get how long it will take to walk 4.2 miles:

4.2mi/2.5mph=1.68 hrs or 100.8 mins

ballpark, depending on how fast you walk. see the provided link.

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4.2 miles into kilometers

Q: How long is 4.2 miles by walking?

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42 minutes

How long does it take to walk 0.21 miles

9 miles divided by 42 miles per hour = .214 hours (how to conver that to minutes i do not know)

Depends on the mode of transport.

42/10 = 21/5 = 4 and 1/5 hours

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42 miles

42 km = 26.1 miles

42 minutes at 60 mph

42 minutes

How long does it take to walk 0.21 miles

The answer will depend on whether the length is 42 inches, 42 feet or even 42 miles!

At 65 mph, driving 42 miles will take 38 minutes 46 seconds.

9 miles divided by 42 miles per hour = .214 hours (how to conver that to minutes i do not know)

Depends on the mode of transport.

42/10 = 21/5 = 4 and 1/5 hours

The Brooklyn bridge is 1.13 miles long. If you want to walk it to Brooklyn and then back, its 2.26 miles long.

42 minutes