How far is Springfield, IL from Marengo, IL?
The driving distance from Springfield, IL to Marengo, IL is about 210.8 miles (339.3 km), with a travel time of about 03h 58m by car.
- The straight-line flight distance is about 177.5 miles (285.6 km).
- For a round trip, plan for roughly 07h 57m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 58m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
City in Marshall County, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Scattered Showers And Thunderstorms then Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Springfield and Marengo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Springfield and Marengo.
-
1
Start on East Washington Street
1206 ft · 42 sec · East Washington Street
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2
Turn left onto North 12th Street
1013 ft · 36 sec · North 12th Street
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3
Turn straight onto Clear Lake Avenue
2.3 mi · 4 min · Clear Lake Avenue
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4
Take the exit slight right toward I 55 North: Chicago
1533 ft · 53 sec
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5
Merge slight left
29.2 mi · 32 min
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6
Keep slight right to continue on I 55 North: Chicago
29.4 mi · 31 min
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7
Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria
7.6 mi · 8 min
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8
Take the exit slight right toward I 39 North: Rockford
120.7 mi · 2 hr 10 min
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9
Merge slight left
2.2 mi · 3 min
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10
Take the exit slight right toward US 20 East: Belvedere
1251 ft · 31 sec · U.S. Grant Memorial Highway
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11
Keep slight right to continue on U.S. Grant Memorial Highway
13.5 mi · 20 min · U.S. Grant Memorial Highway
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12
Continue on West Grant Highway
5 mi · 8 min · West Grant Highway
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13
Turn left onto South State Street
33 m · 2 sec · South State Street
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14
Arrive at your destination
0 m · 1 sec · South State Street
Car Route Details
A richer read on the saved driving route between Springfield and Marengo.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 39 North
Take the exit slight right toward I 39 North: Rockford
121 mi · 02h 10m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Scattered Showers And Thunderstorms then Mostly Sunny leaving Springfield and Sunny near Marengo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Springfield to Marengo?
The road trip is about 210.8 miles (339.3 km) and usually takes 03h 58m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Wenona is a useful midpoint, sitting about 105.4 miles from Springfield and 105.4 miles from Marengo.
How much longer is the road route than the straight-line distance?
The direct path is about 177.5 miles (285.6 km), while the road route adds roughly 33.3 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:02 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.06 one way or $56.11 round trip. Estimated CO2 is about 66.1 kg one way.
What should you check before leaving?
Before you leave, expect Scattered Showers And Thunderstorms then Mostly Sunny around Springfield and Sunny near Marengo.
Stop Ideas Near Wenona
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 Wenona.
Pontiac station
Princeton
Dwight station
Mendota station
Flight Path Map
This map shows the direct air route between Springfield and Marengo. Straight-line distance: 177.46 mi (285.6 km).
#1 Springfield
The capital of Illinois and the county seat of Sangamon County.
| Population | 113,671 |
| Coordinates | 39.8017200, -89.6437100 |
| Altitude | 182 |
| Country | United States |
#2 Marengo
City in McHenry County, Illinois, United States
| Population | 7,377 |
| Coordinates | 42.2486300, -88.6084300 |
| Altitude | 254 |
| Country | United States |
End: Marengo (-88.60843, 42.24863)
Estimated Travel Time
Distance: 339 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 01m |
| 40 mph (64.37 km/h) | 05h 16m |
| 50 mph (80.47 km/h) | 04h 12m |
| 60 mph (96.56 km/h) | 03h 30m |
| 70 mph (112.65 km/h) | 03h 00m |
| 80 mph (129 km/h) | 02h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $28.06 | $56.11 |
| Mid-grade | $4.25 | $31.64 | $63.28 |
| Premium | $4.65 | $34.63 | $69.25 |
| Diesel | $5.30 | $39.46 | $78.92 |
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 Illinois · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.