Origin
Tyndall, SD
Evening in Tyndall on Sunday
Local time
7:21 PM
CDT
Current temp
41°F
Unavailable
Live forecast
Trip from Tyndall, SD to Box Elder, SD
Drive Time
5h 35m
Distance
321 mi
517 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$49
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
5h 22m
★
6 AM
5h 36m
8 AM
6h 2m
10 AM
5h 45m
12 PM
5h 42m
3 PM
5h 46m
5 PM
6h 1m
8 PM
5h 28m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Tyndall, SD
Julio Lopez
Box Elder, SD
James Owen
Trip Overview
Spanning 321 miles across the Great Plains of South Dakota, this trip connects Tyndall to Box Elder in approximately 5 hours and 35 minutes. Given the duration, it is perfectly suited for a single-day journey, though you should budget roughly $49 for fuel to complete the transit. The route relies heavily on major thoroughfares, primarily using SD Highway 50, SD Highway 37, and I-90 to navigate the state. Because you are traveling within the same region, the landscape remains consistent, offering a straightforward driving experience. Whether you are looking to reach your destination quickly or prefer a steady pace, this path provides a reliable link between the two locations.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
160.5 miles from Tyndall, SD
A natural place for your longest stop of the day , about 3h 2m into the drive .
Drive Character
Expect a highway-focused drive, as 99% of your journey will be spent on high-speed roads. You will settle into a rhythm quickly, especially during the longest uninterrupted stretch of 264.4 miles spent entirely on I-90. While the initial segments involve state highways, the transition to the interstate defines the bulk of your time behind the wheel. The route is designed for efficiency rather than technical maneuvering, allowing you to maintain a consistent speed for most of the trip. You will find that the road's personality is primarily functional, prioritizing direct transit across the South Dakota plains.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 17 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 90 is the longest continuous segment at about 264.4 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 90 and SD Highway 37. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near Main Street.
Route Complexity
3/10
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 5h 35m drive. You will face about 11 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 (Main Street): Navigation decision point; at 0.2 miles (West 20th Avenue): Navigation decision point; at 54.6 miles (I 90; SD 37): Merge point - match speed before joining. Lane positioning matters here.
Critical Maneuvers
5 of 11 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
0 mi into trip
|
~0m in
|
Main Street
Turn left onto Main Street
Navigation decision point
4
0.2 mi into trip
|
~0m in
|
West 20th Avenue
Turn left onto West 20th Avenue
Navigation decision point
5
54.6 mi into trip
|
~1h 23m in
|
I 90; SD 37
Merge onto I 90; SD 37
Merge point - match speed before joining. Lane positioning matters here
Use the none lane.
5
319 mi into trip
|
~5h 31m in
Take the exit toward Box Elder, Elisworth AirForce Base
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward Box Elder, Elisworth AirForce Base
5
320.9 mi into trip
|
~5h 35m in
|
Front Street
Turn right onto Front Street
Navigation decision point
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 90 | 264.4 mi | 4h 8m |
| SD Highway 37 | 47.1 mi | 1h 10m |
| SD Highway 50 | 3.8 mi | 5m |
| 303rd Street | 1.3 mi | 3m |
| South Highway 37 | 1 mi | 1m |
| Highway 1416 | 0.9 mi | 1m |
| West 20th Avenue | 0.5 mi | 1m |
| Liberty Boulevard | 0.5 mi | <1m |
Longest stretch:
I 90
— 264.4 mi, about 4h 8m
Turn-by-Turn Driving Directions
Step-by-step road directions between Tyndall, SD and Box Elder, SD.
1
Start on West 18th Avenue
50 ft
·
7 sec
·
West 18th Avenue
2
Turn left onto Main Street
0.2 mi
·
30 sec
·
Main Street
3
Turn left onto West 20th Avenue
0.5 mi
·
1 min
·
West 20th Avenue
4
Continue on CR 303
1.3 mi
·
3 min
·
303rd Street
5
Turn right onto SD 37; SD 50
3.8 mi
·
5 min
·
SD Highway 50
6
Turn right onto SD 37
47 mi
·
1 hr 10 min
·
SD Highway 37
7
Continue on SD 37
1.0 mi
·
1 min
·
South Highway 37
8
Continue on SD 37
0.4 mi
·
34 sec
·
South Burr Street
9
Take the ramp
0.4 mi
·
52 sec
10
Merge onto I 90; SD 37
264 mi
·
4 hr 8 min
·
I 90; SD 37
Use the none lane.
11
Take the exit
0.4 mi
·
47 sec
Toward Box Elder, Elisworth AirForce Base
12
Keep slight left at fork
92 ft
·
7 sec
13
Turn left onto Liberty Boulevard
0.5 mi
·
52 sec
·
Liberty Boulevard
14
Turn right onto Highway 1416
0.9 mi
·
1 min
·
Highway 1416
15
Turn left onto Oak Street
0.1 mi
·
31 sec
·
Oak Street
16
Turn right onto Front Street
94 ft
·
4 sec
·
Front Street
17
Arrive at destination
Front Street
Trip Plan
To keep your drive comfortable, plan for at least one dedicated stop to stretch your legs during the 5-hour and 35-minute transit. Since the majority of your time is spent on I-90, keep a close eye on your fuel gauge before merging onto the interstate to avoid unnecessary stops in more remote stretches. Departing early in the morning is your best strategy to avoid fatigue, as this allows you to complete the 321-mile trip well before sunset. Because the route is highly efficient, you have the flexibility to adjust your departure time based on your personal schedule without worrying about complex road conditions. Use the single recommended stop strategically to balance the long, uninterrupted 264.4-mile stretch of interstate.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 160.5 miles from Tyndall, SD, or about 3h 2m into the drive.
The longest continuous stretch on this route runs about 264.4 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 47m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 160.5 miles or 3h 2m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 39m
Traffic, exits, and arrival timing usually matter more near Box Elder, SD than in the middle of the route.
Before You Leave
+
Open the route before leaving Tyndall, SD so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Tyndall, SD
This is one driving day of about 321 miles and 5h 35m.
Your first comfortable stop window is around 80 miles from Tyndall, SD.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 90 for about 264.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 160.5 mi from Tyndall, SD · 3h 2m into the drive
Mid-route town
Meal stop
161 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 160.5 miles from Tyndall, SD, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 90 if your tank is already low. That segment runs about 264.4 miles.
Arriving in Box Elder, SD
The final approach into Box Elder, SD usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Box Elder, SD.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$48.76 one way
$97.51 round trip
$3.86/gal
25.4 MPG avg
112 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.25 | $53.75 | $107.50 |
| premium | $4.80 | $60.60 | $121.20 |
| diesel | $5.64 | $71.32 | $142.63 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$49
Meals
$25–$50
Total
$74–$99
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 112.3 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $34 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 96.3 | 1 | $33.71 | $15.41 |
| Efficient EV | 80.3 | 0 | $28.09 | $12.84 |
| EV Truck/SUV | 128.4 | 1 | $44.94 | $20.54 |
Gas CO2
112 kg
EV CO2
38 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
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
Box Elder, SD
Evening in Box Elder on Sunday
Local time
6:21 PM
MDT
Current temp
40°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
1 hour earlier
The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.
Temperature spread
1 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
5h 35m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Tyndall, SD to Box Elder, SD covers 321 miles and takes about 5h 35m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 90, SD Highway 37, SD Highway 50. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 160.5 miles from Tyndall, SD. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $48.76 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a straightforward 5h 35m drive. You will face about 11 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: near the start (Main Street): Navigation decision point; at 0.2 miles (West 20th Avenue): Navigation decision point; at 54.6 miles (I 90; SD 37): Merge point - match speed before joining. Lane positioning matters here.
The route from Tyndall, SD to Box Elder, SD does not surface many named destination signs beyond the main corridor.
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