How far is Decatur, IL from Pekin, IL?
The driving distance from Decatur, IL to Pekin, IL is about 73.7 miles (118.6 km), with a travel time of about 01h 40m by car.
- The straight-line flight distance is about 62 miles (99.7 km).
- For a round trip, plan for roughly 03h 21m 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 01h 40m.
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.
City in Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms then Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Decatur and Pekin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Pekin.
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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
2.1 mi · 3 min · North Water Street
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4
Turn left onto East Pershing Road
31.2 mi · 47 min · East Pershing Road
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5
Continue on Keokuk Street
1.6 km · 2 min · Keokuk Street
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6
Continue on Woodlawn Road
2.6 mi · 4 min · Woodlawn Road
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7
Take the ramp slight right
2726 ft · 1 min
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8
Merge slight left
2681 ft · 33 sec
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9
Keep slight left to continue on I 155 North: Peoria, Hartsburg
25.4 mi · 27 min
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10
Take the exit slight right toward IL 9: Pekin, Bloomington
1462 ft · 36 sec
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11
Turn slight left onto East Pearl Street
2 mi · 3 min · East Pearl Street
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12
Continue on Court Street
7.6 mi · 11 min · Court Street
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13
Turn right onto South 8th Street
68 m · 4 sec · South 8th Street
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14
Arrive at your destination
0 m · 1 sec · South 8th Street
Car Route Details
A richer read on the saved driving route between Decatur and Pekin.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
East Pershing Road
Turn left onto East Pershing Road
31.2 mi · 00h 47m
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.
Slight Chance Showers And Thunderstorms then Mostly Sunny leaving Decatur and Mostly Sunny near Pekin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Pekin?
The road trip is about 73.7 miles (118.6 km) and usually takes 01h 40m 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?
Lincoln is a useful midpoint, sitting about 36.8 miles from Decatur and 36.8 miles from Pekin.
How much longer is the road route than the straight-line distance?
The direct path is about 62 miles (99.7 km), while the road route adds roughly 11.7 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 3:08 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.80 one way or $19.61 round trip. Estimated CO2 is about 23.1 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms then Mostly Sunny around Decatur and Mostly Sunny near Pekin.
Stop Ideas Near Lincoln
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Route 66 Original Alignment- Driveable!
City of Lincoln
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Lincoln.
Lincoln
Springfield station
Uptown Station
Peoria, Illinois
Flight Path Map
This map shows the direct air route between Decatur and Pekin. Straight-line distance: 61.93 mi (99.66 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 Pekin
County seat of Tazewell County, Illinois
| Population | 31,808 |
| Coordinates | 40.5675400, -89.6406600 |
| Altitude | 153 |
| Country | United States |
End: Pekin (-89.64066, 40.56754)
Estimated Travel Time
Distance: 119 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 27m |
| 40 mph (64.37 km/h) | 01h 50m |
| 50 mph (80.47 km/h) | 01h 28m |
| 60 mph (96.56 km/h) | 01h 13m |
| 70 mph (112.65 km/h) | 01h 03m |
| 80 mph (129 km/h) | 00h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $9.80 | $19.61 |
| Mid-grade | $4.25 | $11.06 | $22.12 |
| Premium | $4.65 | $12.10 | $24.20 |
| Diesel | $5.30 | $13.79 | $27.58 |
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.