How far is Decatur, IL from Galesburg, IL?
The driving distance from Decatur, IL to Galesburg, IL is about 134.6 miles (216.6 km), with a travel time of about 02h 36m by car.
- The straight-line flight distance is about 106.8 miles (171.9 km).
- For a round trip, plan for roughly 05h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 36m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 mostly in Woodford County, Illinois, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Decatur and Galesburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Galesburg.
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1
Start on East Wood Street
155 m · 23 sec · East Wood Street
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2
Turn left onto South Franklin Street
2129 ft · 46 sec · South Franklin Street
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3
Continue on North Water Street
27.4 mi · 37 min · North Water Street
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4
Continue on North 1450 East Road
14.7 mi · 18 min · North 1450 East Road
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5
Take the exit slight right toward I 74 West, US 51 North: Peoria, Rockford
8 mi · 9 min
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6
Take the exit slight right toward I 74 West: Peoria
28.4 mi · 31 min
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7
Keep slight left to continue on I 474 West: Moline, Rock Island
14 mi · 15 min
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8
Take the exit slight left toward I 74 West: Moline, Rock Island
1 mi · 1 min
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9
Merge slight right
38.2 mi · 41 min
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10
Take the exit slight right toward Galesburg
1583 ft · 39 sec
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11
Turn straight onto East Main Street
1.9 mi · 3 min · East Main Street
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12
Enter the roundabout toward Public Square
69 m · 4 sec · Public Square
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13
Arrive at your destination
0 m · 1 sec · Public Square
Car Route Details
A richer read on the saved driving route between Decatur and Galesburg.
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 74 West
Merge slight right
38.2 mi · 00h 41m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Decatur and Sunny near Galesburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Galesburg?
The road trip is about 134.6 miles (216.6 km) and usually takes 02h 36m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Goodfield is a useful midpoint, sitting about 67.2 miles from Decatur and 67.4 miles from Galesburg.
How much longer is the road route than the straight-line distance?
The direct path is about 106.8 miles (171.9 km), while the road route adds roughly 27.8 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:16 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.91 one way or $35.82 round trip. Estimated CO2 is about 42.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Decatur and Sunny near Galesburg.
Stop Ideas Near Goodfield
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Allentown City Hall
Village of Morton- Village Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Goodfield.
Uptown Station
Peoria, Illinois
Lincoln
Pontiac station
Flight Path Map
This map shows the direct air route between Decatur and Galesburg. Straight-line distance: 106.82 mi (171.91 km).
#1 Decatur
The most populous city in Macon County, Illinois.
| Population | 70,007 |
| Coordinates | 39.8403100, -88.9548000 |
| Altitude | 205 |
| Country | United States |
#2 Galesburg
County seat of Knox County, Illinois, United States
| Population | 29,803 |
| Coordinates | 40.9478200, -90.3712400 |
| Altitude | 235 |
| Country | United States |
End: Galesburg (-90.37124, 40.94782)
Estimated Travel Time
Distance: 217 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 29m |
| 40 mph (64.37 km/h) | 03h 21m |
| 50 mph (80.47 km/h) | 02h 41m |
| 60 mph (96.56 km/h) | 02h 14m |
| 70 mph (112.65 km/h) | 01h 55m |
| 80 mph (129 km/h) | 01h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $17.91 | $35.82 |
| Mid-grade | $4.25 | $20.20 | $40.40 |
| Premium | $4.65 | $22.11 | $44.21 |
| Diesel | $5.30 | $25.19 | $50.39 |
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 · May 14, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.