Mapquest says Calgary - Banff - Radium:
http://www.mapquest.com/maps?1c=Calg...099998&2v=CITY
3 hours 15 minutes /
164.02 miles
Calgary to Fernie:
3 hours 19 minutes /
182.13 miles
Fernie to Radium:
2 hours 35 minutes /
137.32 miles
Not even close - Banff is much more direct.
OOPS - Leaving from Lethbridge. Try again troutman.