6.437376 kilometers
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Answer: 4 km = 2.48548 mi.
6.437 km Algebraic Steps / Dimensional Analysis Formula 4 mi*63360 in 1 mi*2.54 cm 1 in*1 km 100000 cm=6.437376 km Direct Conversion Formula 4 mi*1.609344 km 1 mi=6.437376 km
Answer: 4 mi. = 6.43737 km
10 mi. = 16.0934 km
Answer: 72 km = 44.7387 mi.