First make sure that it is indeed rust on your door and not something else. Once you've determined what it is on the door it can be treated. If it is rust, not to worry - there's a lot of good products that will treat it.
About 1,655 miles.
1657 miles
The air distance from Minneapolis, Minnesota, to Seattle, Washington, is 1,396 miles. That equals 2,246 kilometers or 1,213 nautical miles.
The amount of air miles between Seattle & Minneapolis is 1399.
The direct flight distance is 1,395 miles.
http://maps.google.com/Choose "Get Directions"
It will take you about 24 hours to drive the 1,658 miles.
The approximate driving distance between Minneapolis, MN and Seattle, WA is around 1,550 miles. The actual distance may vary depending on the specific route taken.
It is 1,657 miles according to Google Maps.
Minneapolis IS in Minneota.
Los Angeles to Minneapolis is 1,927 road miles.
Basic miles from Lacrosse to Minneapolis is 156 miles. At least that is the miles I calculate.
The driving distance between Seattle, WA and Minneapolis, MN is 1657 miles. The driving time would be approximately 26 hours if driving non-stop in good conditions. (The driving time does not take into consideration conditions such as weather, road work and rush hour traffic in urban areas.)