Origin
Tyndall, SD
Evening in Tyndall on Sunday
Local time
6:10 PM
CDT
Current temp
41°F
Unavailable
Live forecast
Trip from Tyndall, SD to Watertown, SD
Drive Time
3h 39m
Distance
202.8 mi
326 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$31
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
3h 27m
★
6 AM
3h 39m
8 AM
4h 4m
10 AM
3h 48m
12 PM
3h 46m
3 PM
3h 49m
5 PM
4h 3m
8 PM
3h 32m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Tyndall, SD
Julio Lopez
Watertown, SD
David Kanigan
Trip Overview
Connecting Tyndall to Watertown, this 202.8-mile journey across South Dakota’s Great Plains is a straightforward, highway-focused drive. You can expect to spend about 3 hours and 39 minutes behind the wheel, making it an ideal candidate for a single-day trip. With a fuel budget of approximately $31, the route is both efficient and predictable for those crossing the state. Since the entire trip takes place within the Great Plains region, you will experience consistent landscape characteristics throughout the drive. It is a practical route for travelers who prefer minimizing detour time and sticking to major thoroughfares.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
101.4 miles from Tyndall, SD
A natural place for your longest stop of the day , about 2h into the drive .
Drive Character
This trip is dominated by major roads, with 95% of your travel occurring on highways including I-29, US Highway 81, and I-90. You should prepare for a consistent, steady pace that favors efficiency over technical driving. The longest uninterrupted stretch is a 93.5-mile run on I-29, which allows you to settle into a rhythm once you reach the interstate. Because the profile is heavily highway-focused, the driving experience is generally predictable and low-stress. Expect a smooth, consistent transition as you navigate between these primary arteries.
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 29 is the longest continuous segment at about 93.5 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 29 and US Highway 81. There are only a few real navigation decisions along the way. The trickiest moment comes around 30.7 miles in near US 81 / US Highway 81.
Route Complexity
4/10
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 3h 39m drive. You will face about 12 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 30.7 miles (US 81 / US Highway 81): Navigation decision point; at 72.9 miles: Exit ramp - move to the correct lane early; at 105.5 miles: Exit ramp - move to the correct lane early.
Critical Maneuvers
5 of 12 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
30.7 mi into trip
|
~44m in
|
US 81 / US Highway 81
Turn left onto US 81 / US Highway 81
Navigation decision point
4
72.9 mi into trip
|
~1h 32m in
Take the exit
Exit ramp - move to the correct lane early
4
105.5 mi into trip
|
~2h 4m in
Take the exit toward I 29: Fargo
Exit ramp - move to the correct lane early
Toward I 29: Fargo
5
199.2 mi into trip
|
~3h 32m in
Take the exit toward US 212: Watertown, Kranzburg
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward US 212: Watertown, Kranzburg
5
200.1 mi into trip
|
~3h 34m in
|
Willow Creek Drive Southeast
Turn right onto Willow Creek Drive Southeast
Lane positioning matters here
Use the straight lane.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 29 | 93.5 mi | 1h 27m |
| US Highway 81 | 42.3 mi | 48m |
| I 90 | 32.2 mi | 30m |
| SD Highway 46 | 24 mi | 28m |
| 416th Avenue | 5.8 mi | 13m |
| 1st Avenue Northeast | 1.4 mi | 2m |
| Willow Creek Drive Southeast | 1.1 mi | 1m |
| 9th Avenue Southeast | 0.6 mi | 1m |
Longest stretch:
I 29
— 93.5 mi, about 1h 27m
Turn-by-Turn Driving Directions
Step-by-step road directions between Tyndall, SD and Watertown, SD.
1
Start on West 18th Avenue
50 ft
·
7 sec
·
West 18th Avenue
2
Turn left onto Main Street
0.4 mi
·
1 min
·
Main Street
3
Continue on West 24th Avenue
0.5 mi
·
1 min
·
West 24th Avenue
4
Turn right onto CR 416
5.8 mi
·
13 min
·
416th Avenue
5
Turn right onto SD 46
24 mi
·
28 min
·
SD Highway 46
6
Turn left onto US 81
42 mi
·
48 min
·
US Highway 81
7
Take the exit
0.4 mi
·
48 sec
8
Merge onto I 90
32 mi
·
30 min
·
I 90
9
Take the exit
0.2 mi
·
27 sec
Toward I 29: Fargo
10
Merge onto I 29
94 mi
·
1 hr 27 min
·
I 29
11
Take the exit
0.3 mi
·
38 sec
Toward US 212: Watertown, Kranzburg
12
Turn left
135 ft
·
3 sec
Toward US 212: Watertown
13
Turn straight onto US 212
0.6 mi
·
1 min
·
9th Avenue Southeast
14
Turn right onto Willow Creek Drive Southeast
1.1 mi
·
1 min
·
Willow Creek Drive Southeast
Use the straight lane.
15
Continue on 1st Avenue Northeast
1.4 mi
·
2 min
·
1st Avenue Northeast
Use the straight lane.
16
Turn left onto North Broadway
0.2 mi
·
26 sec
·
North Broadway
17
Arrive at destination
South Broadway
Trip Plan
Given the 3-hour and 39-minute duration, you have plenty of flexibility to complete this drive comfortably in one day. Plan for at least one stop to break up the monotony of the long interstate stretches, which will help keep you alert. Since your fuel costs are estimated at $31, checking your tank before hitting the I-29 stretch is a smart move to avoid unnecessary stops. Aim to depart in the morning to maximize daylight hours, especially if you want to ensure a relaxed pace. Keep your eyes on the road and pace your travel to account for the 93.5-mile interstate segment, which is where you will likely spend the bulk of your driving time.
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 101.4 miles from Tyndall, SD, or about 2h into the drive.
The longest continuous stretch on this route runs about 93.5 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 39m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 101.4 miles or 2h in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 1m
Traffic, exits, and arrival timing usually matter more near Watertown, 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 202.8 miles and 3h 39m.
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 29 for about 93.5 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 101.4 mi from Tyndall, SD · 2h into the drive
Mid-route town
Meal stop
101 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 101.4 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 29 if your tank is already low. That segment runs about 93.5 miles.
Arriving in Watertown, SD
The final approach into Watertown, 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 Watertown, SD.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$30.80 one way
$61.61 round trip
$3.86/gal
25.4 MPG avg
71 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.25 | $33.96 | $67.91 |
| premium | $4.80 | $38.28 | $76.57 |
| diesel | $5.64 | $45.06 | $90.11 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$31
Meals
$25–$50
Total
$56–$81
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 71 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $21 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 60.8 | 0 | $21.29 | $9.73 |
| Efficient EV | 50.7 | 0 | $17.75 | $8.11 |
| EV Truck/SUV | 81.1 | 1 | $28.39 | $12.98 |
Gas CO2
71 kg
EV CO2
24 kg (66% 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
Watertown, SD
Evening in Watertown on Sunday
Local time
6:10 PM
CDT
Current temp
36°F
Unavailable
Live forecast
Along the Route
41°F
Akron, IA
101 mi in
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
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
5 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
3h 39m 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 Tyndall, SD to Watertown, SD covers 202.8 miles and takes about 3h 39m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 29, US Highway 81, I 90. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 101.4 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 $30.80 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. A short stop every 2 to 3 hours is enough for this drive.
This is a straightforward 3h 39m drive. You will face about 12 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: at 30.7 miles (US 81 / US Highway 81): Navigation decision point; at 72.9 miles: Exit ramp - move to the correct lane early; at 105.5 miles: Exit ramp - move to the correct lane early.
The route from Tyndall, SD to Watertown, SD does not surface many named destination signs beyond the main corridor.
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