How far is Prairie du Sac, WI from Merrimac, WI?
The driving distance from Prairie du Sac, WI to Merrimac, WI is about 10.6 miles (17.1 km), with a travel time of about 00h 17m by car.
- The straight-line flight distance is about 7.8 miles (12.6 km).
- For a round trip, plan for roughly 00h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 17m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Village in Sauk County, Wisconsin, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Showers And Thunderstorms Likely
Partly Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Prairie du Sac and Merrimac.
Turn-by-Turn Driving Directions
Step-by-step road directions between Prairie du Sac and Merrimac.
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1
Start on 4th Street
2185 ft · 2 min · 4th Street
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2
At the end of the road, turn right onto Prairie Street
87 m · 15 sec · Prairie Street
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3
Turn left onto Water Street
1.1 km · 2 min · Water Street
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4
Continue on State Highway 78
1.5 km · 1 min · State Highway 78
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5
Continue on State Road 78
7.6 mi · 11 min · State Road 78
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6
Continue on Main Street
1.4 km · 1 min · Main Street
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7
Turn left onto School Street
23 m · 3 sec · School Street
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8
Arrive at your destination
0 m · 1 sec · School Street
Car Route Details
A richer read on the saved driving route between Prairie du Sac and Merrimac.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
State Road 78
Continue on State Road 78
7.59 mi · 00h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Partly Sunny then Showers And Thunderstorms Likely leaving Prairie du Sac and Partly Sunny then Chance Showers And Thunderstorms near Merrimac.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Prairie du Sac to Merrimac?
The road trip is about 10.6 miles (17.1 km) and usually takes 00h 17m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Sauk City is a useful midpoint, sitting about 5.3 miles from Prairie du Sac and 5.3 miles from Merrimac.
How much longer is the road route than the straight-line distance?
The direct path is about 7.8 miles (12.6 km), while the road route adds roughly 2.8 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:56 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.43 one way or $2.87 round trip. Estimated CO2 is about 3.4 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Showers And Thunderstorms Likely around Prairie du Sac and Partly Sunny then Chance Showers And Thunderstorms near Merrimac.
Stop Ideas Near Sauk City
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Sauk City.
Madison, Wisconsin
Portage
Wisconsin Dells
Madison (South), Wisconsin
Flight Path Map
This map shows the direct air route between Prairie du Sac and Merrimac. Straight-line distance: 7.82 mi (12.59 km).
#1 Prairie du Sac
Village in Sauk County, Wisconsin, United States
| Population | 1,151 |
| Coordinates | 43.2869300, -89.7240100 |
| Altitude | 236 |
| Country | United States |
#2 Merrimac
Village in Sauk County, Wisconsin, United States
| Population | 1,056 |
| Coordinates | 43.3733200, -89.6234600 |
| Altitude | 254 |
| Country | United States |
End: Merrimac (-89.62346, 43.37332)
Estimated Travel Time
Distance: 17 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 21m |
| 40 mph (64.37 km/h) | 00h 15m |
| 50 mph (80.47 km/h) | 00h 12m |
| 60 mph (96.56 km/h) | 00h 10m |
| 70 mph (112.65 km/h) | 00h 09m |
| 80 mph (129 km/h) | 00h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $1.43 | $2.87 |
| Mid-grade | $4.25 | $1.62 | $3.23 |
| Premium | $4.65 | $1.77 | $3.54 |
| Diesel | $5.30 | $2.02 | $4.03 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Wisconsin · Apr 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.