42.5 miles to km
42.5 mi x 1.609344 = 68.3971 km
Answer
42.5 mi = 68.3971 km
How to calculate it
Multiply the value in miles by 1.609344 to get km.
42.5 mi x 1.609344 = 68.3971 km
42.5 mi = 68.3971 km
Multiply the value in miles by 1.609344 to get km.