40 miles equals 64,373,760,000,000 nanometers.
Convert 40 miles into meters, kilometers, decimeters, centimeters, milimeters, micrometers, picometers, inches, feet, yards, hands, lightyears, astronomical units, parsecs, etc...
Convert 64373760000000 nanometers into meters, kilometers, decimeters, centimeters, milimeters, micrometers, picometers, inches, feet, yards, hands, lightyears, astronomical units, parsecs, etc...