Rapid City, SD

Idaho Falls, ID

Route 1

Go west on US-16 W/SD-79 N.
656.2851 miles
9hr 59min
  1. Start out going west on Omaha St/SD-44 toward 5th St.

    Then 0.43 miles
  2. Take the I-90/I-190 N ramp.

    1. 0.1 miles past N Mount Rushmore Rd

    Then 0.09 miles
  3. Stay straight to go onto US-16 W/SD-79 N.

    Then 1.18 miles
  4. Merge onto I-90 W/US-14 W via EXIT 1A on the left toward Gillette.

    Then 34.20 miles
  5. Take the SD-34 W exit, EXIT 23, toward Whitewood/Belle Fourche.

    Then 0.27 miles
  6. Turn right onto SD-34.

    1. If you reach I-90 W you've gone about 0.3 miles too far

    Then 17.36 miles
  7. Turn right onto US-85 N/US Highway 85. Continue to follow US-85 N.

    1. US-85 N is 0.3 miles past Gospel Ln

    Then 2.34 miles
  8. Turn left onto US-212 W/N Alzada Rd. Continue to follow US-212 W (Passing through Wyoming, then crossing into Montana).

    1. US-212 W is 0.1 miles past Mountain View St

    2. If you reach Industrial St you've gone about 0.1 miles too far

    Then 94.29 miles
  9. Turn left onto W Holt St/US-212 W/MT-59. Continue to follow US-212 W.

    1. US-212 W is just past E Us Highway 212

    2. If you are on N Park Ave and reach E Wilson St you've gone a little too far

    Then 106.36 miles
  10. Merge onto I-90 W toward Billings.

    Then 201.18 miles
  11. Take the US-191/Main St exit, EXIT 309, toward I-90 Bus.

    Then 0.31 miles
  12. Merge onto US-191 S toward Bozeman/W Yellowstone.

    Then 8.92 miles
  13. Turn left onto Gallatin Rd/US-191 S. Continue to follow US-191 S (Passing through Wyoming, then crossing into Montana).

    1. If you are on Norris Rd and reach Korner Kourt you've gone a little too far

    Then 81.75 miles
  14. Turn right onto Firehole Ave/US-20 W. Continue to follow US-20 W (Crossing into Idaho).

    1. US-20 W is just past C Pkwy

    2. If you reach B Pkwy you've gone a little too far

    Then 104.52 miles
  15. Take the US-20 Bus exit, EXIT 310, toward Lewisville/Idaho Falls.

    Then 0.25 miles
  16. Turn left onto US-20 Bus W/N 5th E. Continue to follow US-20 Bus W.

    1. If you reach US-20 W you've gone about 0.3 miles too far

    Then 1.50 miles
  17. Turn slight right onto Northgate Mile/US-26 W/US-20 Bus W. Continue to follow US-26 W.

    1. US-26 W is just past Keefer St

    2. If you are on N Holmes Ave and reach Poulson St you've gone a little too far

    Then 1.34 miles
  18. Turn left onto W Broadway St/I-15 Bus N/US-20 Bus E.

    1. W Broadway St is just past A St

    2. If you reach Cliff St you've gone about 0.1 miles too far

    Then 0.01 miles
  19. Welcome to IDAHO FALLS, ID.

    1. If you are on Elm St and reach N Eastern Ave you've gone a little too far

    Then 0.00 miles