Located at 17642 Canby Road on the outskirts of Leesburg (one mile from Hamilton), Glenfiddich Farm is just about 45 minutes west of Washington DC, and 20 minutes from Dulles Airport/Route 28. 

1) From Washington, DC/Route 495 (Beltway) and points east (2 possibilities):

First possibility: Take Route 7 west toward Leesburg. Before entering town, take the exit for Route 7/Winchester. (It's opposite a Ford dealer on the left.) Go 5 miles to the exit for Route 9/Charles Town, WVA. At the end of the exit ramp, take a left. Go approximately 200 yards to the 'T' intersection, then right on Business 7/Colonial Hwy. Go 0.5 miles to first left on Canby Road (Route 662). Go 0.7 miles to the lane on the left (#17642). The farm is 0.5 miles down the lane.  
Second possibility: Take the Dulles Greenway toll road (267) west to
the end. Take the left exit to Route 7 west. Go 4.5 miles to Route 9, left at the exit ramp, etc (see above).    

2) From Maryland and points north:
Take Route 15 south to Leesburg. 15 becomes Route 7 west. Continue to exit for Route 9, etc....

3) From Warrenton, VA and points south:
Take Route 15 north to Route 7 west at Leesburg. Continue to exit for
Route 9, etc....

4) From Winchester, VA and points west:
Take Route 15 east to the exit for Route 9. Go right at the exit ramp,
then right to Business 7, left on Canby, etc....