How far is Pekin, IL from Decatur, IL?
The driving distance from Pekin, IL to Decatur, IL is about 75.6 miles (121.6 km), with a travel time of about 01h 25m by car.
- The straight-line flight distance is about 62 miles (99.7 km).
- For a round trip, plan for roughly 02h 51m 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 25m.
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.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Pekin and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Pekin and Decatur.
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1
Start on South 8th Street
24 m · 7 sec · South 8th Street
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2
Turn left onto Broadway Street
110 m · 17 sec · Broadway Street
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3
Turn left onto Court Street
7.7 mi · 11 min · Court Street
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4
Continue on Pearl Street
1.8 mi · 3 min · Pearl Street
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5
Take the ramp slight right toward I 155 South
1478 ft · 36 sec
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6
Merge slight left
25.5 mi · 27 min
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7
Merge slight left
1885 ft · 23 sec
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8
Take the exit slight right toward IL 10, IL 121: Lincoln, Mason City
2059 ft · 39 sec
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9
Turn left
3.9 mi · 6 min
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10
Turn straight onto Limit Street
27.6 mi · 41 min · Limit Street
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11
Continue on IL Route 121
2.1 mi · 3 min · IL Route 121
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12
Continue on Ill Rte 121
2645 ft · 45 sec · Ill Rte 121
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13
Continue on East Pershing Road
1.4 km · 1 min · East Pershing Road
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14
Turn right onto North Main Street
2.5 mi · 4 min · North Main Street
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15
Turn left onto East Wood Street
91 m · 8 sec · East Wood Street
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16
Arrive at your destination
0 m · 1 sec · East Wood Street
Car Route Details
A richer read on the saved driving route between Pekin and Decatur.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Limit Street
Turn straight onto Limit Street
27.6 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.
Mostly Sunny leaving Pekin and Sunny near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Pekin to Decatur?
The road trip is about 75.6 miles (121.6 km) and usually takes 01h 25m 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 Pekin and 38.7 miles from Decatur.
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 13.6 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 3:38 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.07 one way or $20.14 round trip. Estimated CO2 is about 23.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Pekin and Sunny near Decatur.
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 Pekin and Decatur. Straight-line distance: 61.93 mi (99.66 km).
#1 Pekin
County seat of Tazewell County, Illinois
| Population | 31,808 |
| Coordinates | 40.5675400, -89.6406600 |
| Altitude | 153 |
| Country | United States |
#2 Decatur
The most populous city in Macon County, Illinois.
| Population | 70,007 |
| Coordinates | 39.8403100, -88.9548000 |
| Altitude | 205 |
| Country | United States |
End: East Wood Street (-88.954801, 39.840341)
Estimated Travel Time
Distance: 122 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 31m |
| 40 mph (64.37 km/h) | 01h 53m |
| 50 mph (80.47 km/h) | 01h 30m |
| 60 mph (96.56 km/h) | 01h 15m |
| 70 mph (112.65 km/h) | 01h 04m |
| 80 mph (129 km/h) | 00h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $10.07 | $20.14 |
| Mid-grade | $4.25 | $11.36 | $22.71 |
| Premium | $4.65 | $12.43 | $24.85 |
| Diesel | $5.30 | $14.16 | $28.32 |
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.