Distance between Bismarck and Rock Springs
Distance from Bismarck, ND to Rock Springs, WY is 551 miles / 887 kilometers.
Map showing the distance from Bismarck to Rock Springs
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Air distance: | miles km |
Bismarck, ND
| City: | Bismarck, ND |
| Country: | United States |
Rock Springs, WY
| City: | Rock Springs, WY |
| Country: | United States |
Time difference between Bismarck and Rock Springs
The time difference between Bismarck and Rock Springs is 1 hour. Rock Springs is 1 hour behind Bismarck. Current local time in Bismarck is 15:45 CST (2025-02-16) and time in Rock Springs is 14:45 MST (2025-02-16).