Origin
Iroquois, SD
Late night in Iroquois on Friday
Local time
4:18 AM
CDT
Current temp
49°F
Unavailable
Live forecast
Trip from Iroquois, SD to De Smet, SD
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
18m
Distance
15.5 mi
25 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$2
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 17m
★
6 AM
0h 19m
8 AM
0h 22m
10 AM
0h 20m
12 PM
0h 19m
3 PM
0h 20m
5 PM
0h 22m
8 PM
0h 18m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Iroquois, SD
Leeloo The First
Trip Overview
The drive from Iroquois, SD to De Smet, SD covers 15.5 miles and takes about 18m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on US Highway 14, East Neosho Street, SD Highway 25 South for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 14.6 miles on US Highway 14. At current regular gas prices, budget about $2.42 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 18m. Total distance: 15.5 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
18m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (96%). Straightforward navigation.
Drive Character
This is a 18m highway drive covering 15.5 miles, with most of the trip on US Highway 14 and East Neosho Street. The longest continuous stretch is about 14.6 miles on US Highway 14.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 8 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
US Highway 14 is the longest continuous segment at about 14.6 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on US Highway 14 and East Neosho Street. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near East Washita Street.
Driving Effort
3/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 18m drive. You will face about 5 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: near the start (East Washita Street): Navigation decision point; at 0.1 miles (South Ottowa Street): Navigation decision point; at 0.2 miles (US 14 / East Neosho Street): Navigation decision point.
Critical Maneuvers
5 of 5 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0 mi into trip
|
~0m in
|
East Washita Street
Turn right onto East Washita Street
Navigation decision point
5
0.1 mi into trip
|
~0m in
|
South Ottowa Street
Turn left onto South Ottowa Street
Navigation decision point
3
0.2 mi into trip
|
~0m in
|
US 14 / East Neosho Street
Turn right onto US 14 / East Neosho Street
Navigation decision point
3
15.1 mi into trip
|
~17m in
|
SD 25 / SD Highway 25 South
Turn left onto SD 25 / SD Highway 25 South
Navigation decision point
5
15.4 mi into trip
|
~18m in
|
1st Street
Turn sharp right onto 1st Street
Sharp turn - reduce speed on approach
Main Roads
| Road | Distance | Duration |
|---|---|---|
| US Highway 14 | 14.6 mi | 16m |
| East Neosho Street | 0.3 mi | <1m |
| SD Highway 25 South | 0.3 mi | <1m |
| South Ottowa Street | 0.2 mi | <1m |
| East Washita Street | <0.1 mi | <1m |
| 1st Street | <0.1 mi | <1m |
| South Quapaw Street | <0.1 mi | <1m |
Longest stretch:
US Highway 14
— 14.6 mi, about 16m
Turn-by-Turn Driving Directions
Step-by-step road directions between Iroquois, SD and De Smet, SD.
1
Start on South Quapaw Street
35 ft
·
3 sec
·
South Quapaw Street
2
Turn right onto East Washita Street
442 ft
·
17 sec
·
East Washita Street
3
Turn left onto South Ottowa Street
0.2 mi
·
24 sec
·
South Ottowa Street
4
Turn right onto US 14
0.3 mi
·
21 sec
·
East Neosho Street
5
Continue on US 14
15 mi
·
16 min
·
US Highway 14
6
Turn left onto SD 25
0.3 mi
·
44 sec
·
SD Highway 25 South
7
Turn sharp right onto 1st Street
261 ft
·
11 sec
·
1st Street
8
Arrive at destination
1st Street
Fuel & Cost
Regular Gas
$2.42 one way
$4.85 round trip
$3.97/gal
25.4 MPG avg
5 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $2.66 | $5.32 |
| premium | $4.89 | $2.98 | $5.97 |
| diesel | $5.61 | $3.42 | $6.84 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 5.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 60% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 4.6 | 0 | $1.63 | $0.74 |
| Efficient EV | 3.9 | 0 | $1.36 | $0.62 |
| EV Truck/SUV | 6.2 | 0 | $2.17 | $0.99 |
Gas CO2
5 kg
EV CO2
2 kg (60% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
De Smet, SD
Late night in De Smet on Friday
Local time
4:18 AM
CDT
Current temp
73°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
24 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
18m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Iroquois, SD to De Smet, SD covers 15.5 miles and takes about 18m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are US Highway 14, East Neosho Street, SD Highway 25 South. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 7.7 miles from Iroquois, SD. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $2.42 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a straightforward 18m drive. You will face about 5 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: near the start (East Washita Street): Navigation decision point; at 0.1 miles (South Ottowa Street): Navigation decision point; at 0.2 miles (US 14 / East Neosho Street): Navigation decision point.
The route from Iroquois, SD to De Smet, SD does not surface many named destination signs beyond the main corridor.
How this page is built
Compiled and maintained by the Trip.ovh planning team at COD Solutions Oy (Helsinki). Each route is built from authoritative open government and mapping datasets rather than crowdsourced reviews. Distances and geometry come from OSRM over OpenStreetMap. Fuel cost uses EIA weekly regional averages. Pages are published only after passing our data-quality checks; our methodology page documents refresh cadence, editorial standards, and known limitations.
Was this helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
More from Iroquois, SD
Explore more options from Iroquois, SD or browse trips ending in De Smet, SD.
Looking for more statewide routes? Browse SD road trips.