Open your Internet browser and visit Google Maps.
Enter the postal code in the search bar at the top of the page, followed by clicking "Search Maps." For example, type B1B for Nova Scotia.
Several options will appear on the left-hand side of your screen. Click "Directions."
Your original postal code will appear in bar "B," representing your final destination. If you require directions starting at this location, click "Reverse."
Type your opposing postal code in the relevant bar, followed by "Get Directions."
Open your Internet browser and visit Mapquest.
Type the postal code in the search bar on the left-hand side of the page, followed by clicking "Get Map." For example, type M5B for Toronto.
Click "Get Directions" underneath the search box.
Your original postal code will appear in bar "B." You can reverse this selection by clicking the green arrow, which is shown in between letters "A" and "B" next to the search bars.
Once you enter the opposing postal code, click "Get Directions."