It is 1,107.59 miles according to MapQuest.
Google Maps estimates the driving time as 14 hours and 16 minutes.
The driving distance between Seattle, WA and Deadwood, SD is approximately 1105 miles. The driving time would be approximately 17 hours 45 minutes if you were to travel non-stop in good driving conditions. (The driving time does not take into consideration conditions which may extend trip time such as weather, road work and rush hour traffic in urban areas.)
Since North Dakota and Canada share a border, the drive would be longer from South Dakota to Indiana.
From South Dakota to the Canadian border only requires passing through North Dakota (about 200 miles). To drive from South Dakota to Indiana, you would have to drive through Minnesota, Wisconsin or Iowa, and Illinois (about 500 miles).
The drive from South Dakota to Indiana is longer. It is 433 miles from Pierre, South Dakota to Estevan, Saskatchewan, Canada, while it is 824 miles from Pierre, South Dakota to Gary, Indiana.
Canada
SD to TN is longer.
Candad Is close than Indiana
Candad Is close than Indiana
About 1,467 miles.
It takes 20 hours to drive from San Antonio, Texas to South Dakota.
The drive from San Antonio, Texas to Sturgis, South Dakota will take about 19 hours.