Skip to content

Checked

Circle K

Ethanol (E85) · 3245 S Sycamore Ave, Sioux Falls, SD 57110

Details come from public records and may be out of date. Call ahead to confirm. Not an endorsement.

Station details

Address
3245 S Sycamore Ave, Sioux Falls, SD 57110
Phone
(605) 271-7878
Fuel
Ethanol (E85)
Hours
24 hours daily
Payment
American Express, Cash, Discover, Mastercard, Visa, Voyager, WEX
Located at
Convenience store
Owner
Privately owned
Opened
12/15/2017
Last confirmed
02/13/2026
Map
Open in map

Nearby E85 stations

Within 20 miles

See all
  • Kwik Star #1200

    4300 E 57th St, Sioux Falls, SD 57103

    Ethanol (E85)

    1.0 mi
  • Kwik Star #1217

    6301 E 41st St, Sioux Falls, SD 57110

    Ethanol (E85)

    1.2 mi
  • Casey's

    5810 E 26th St, Sioux Falls, SD 57110

    Ethanol (E85)

    1.3 mi
  • Get N Go #12

    1224 E 57th St, Sioux Falls, SD 57108

    Ethanol (E85)

    2.1 mi
  • Casey's

    412 N Sycamore Ave, Sioux Falls, SD 57103

    Ethanol (E85)

    2.4 mi
  • Get N Go #20

    2421 S Minnesota Ave, Sioux Falls, SD 57105

    Ethanol (E85)

    3.1 mi
  • Get N Go #7

    600 S Minnesota Ave, Sioux Falls, SD 57104

    Ethanol (E85)

    3.5 mi
  • Casey's

    1400 N Cliff Ave, Sioux Falls, SD 57103

    Ethanol (E85)

    3.8 mi

E85 stations in South Dakota

Frequently asked questions

When is Circle K open?
24 hours daily.

Source: U.S. Department of Energy, Alternative Fuels Data Center (station 88807), last confirmed 02/13/2026 · Last updated 02/13/2026