If you're not sure how to enter your rural route or land location, you can use Canada Post's "Find a postal code".
Find address using rural route
Enter RR, following by what route number it is. Once you have it narrowed down, it will show you the correct values below the input field.
Find address using postal code
If you're not sure what route it is, but know the postal code, you can enter that to find the addresses associated with that.