A great place to start is skyvector.com provided you’re flying in the US. You can typically see about 70 NM once aloft. Use the World VFR chart. Enter departure and arrival airports and it will plot a line between the two airports. If you’re flying a 172 pick points about 20 NM along the line as reference points to fly too. At each point along your route you should be able to match visual reference points from the World VFR map to what you see from your aircraft once aloft. Hop from visual point to visual point until you arrive at your airport. It’s actually a really fun way to use MSFS since the scenery is so accurate. 
Fly Safe!
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