Distance from ZIP 57745 to 57751
Hill City, SD → Keystone, SD
Straight Line Distance
10 miles
15 km
Great circle distance between ZIP code centers
Driving (est.)
≈ 10min
At 90 km/h average. Actual road distance is typically 15-30% longer.
Flying (est.)
≈ 46min
At 850 km/h cruise plus takeoff and landing.
Route Map
Frequently Asked Questions
The straight-line distance between ZIP code 57745 (Hill City, SD) and 57751 (Keystone, SD) is 10 miles (15 km).
Driving takes approximately 10min at an average speed of 90 km/h. Actual road distance is typically 15-30% longer than the straight line.