How far am I from the South Dakota border?
Use your location to measure the straight-line distance from where you are to the nearest point of South Dakota: from outside the state, that is the way in; from inside, the calculator says so and measures to its line with Iowa, Minnesota, Montana, Nebraska, North Dakota and Wyoming or its coast, whichever is nearest.
How far are you from South Dakota?
On a phone this uses GPS. The calculator opens with South Dakota already selected and measures from your exact spot.
What borders South Dakota?
South Dakota borders Iowa, Minnesota, Montana, Nebraska, North Dakota and Wyoming. South Dakota is shown in green and the states it borders in blue; click one to open its page.
- South Dakota
- Neighbouring states
How far South Dakota's cities are from its borders
| City | Nearest border with | Distance |
|---|---|---|
| Sioux Falls | Iowa | 7.1 miles (12 km) |
| Aberdeen | North Dakota | 33 miles (53 km) |
| Rapid City | Wyoming | 41 miles (66 km) |
Straight-line distance from each city centre to the nearest point of the border, measured October 8, 2026. On the Great Lakes and along rivers the state line runs through the water. A city whose nearest edge is the coast is left out.
Questions
How far am I from the South Dakota border?
Tap "Use my location" on this page. On a phone it uses GPS, and the calculator measures the straight-line distance from where you are to the nearest point of South Dakota, in miles and kilometers.
What borders South Dakota?
South Dakota borders Iowa, Minnesota, Montana, Nebraska, North Dakota and Wyoming.
Is this the driving distance?
No. It is the straight-line distance (as the crow flies) to the nearest point of the state. The drive to the state line is usually longer.
What if I am already in South Dakota?
The calculator says you are inside South Dakota and gives the distance to its nearest edge, which can be its coast rather than a land border. It also shows how far you are from your own state's border and the country border.