Convert 42 miles to kilometers — result, formula and a quick reference table.
1 mile equals 1.6093 kilometers, so 42 miles = 67.5924 km.
42 miles to km converts to 67.5924 km. 1 mile equals 1.6093 kilometers, so 42 miles = 67.5924 km.
To convert any value, use the formula kilometers = miles × 1.609344. For other amounts, see the quick table above or open the full unit converter.