As you see this is the mold which causes severe health problems infact one of the most dangerous mold is that Toxic black mold which cause respiratory, nasuea and other problems like skin etc. Also it causes cancer as well.
40 km = 24.8548 mi. There are 1.609344 kilometres in a mile. Therefore, rounded to two decimal places, 40 kilometres is equal to 40/1.609344 = 24.85 miles.
Google Maps   ...says 1,733 miles, as far as driving is concerned. 1,460 miles in a straight line, according to How Far Is It (per indo.com).