How far is Diamond, IL from Peoria, IL?
The driving distance from Diamond, IL to Peoria, IL is about 107.3 miles (172.7 km), with a travel time of about 01h 39m by car.
- The straight-line flight distance is about 81 miles (130.3 km).
- For a round trip, plan for roughly 03h 18m 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 39m.
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 McLean County, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Diamond and Peoria.
Turn-by-Turn Driving Directions
Step-by-step road directions between Diamond and Peoria.
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1
Start on the route
29 m · 9 sec
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2
Turn right onto North School Street
12 m · 7 sec · North School Street
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3
Turn left onto East Division Street
1203 ft · 24 sec · East Division Street
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4
Continue on West Coal City Road
1.1 km · 1 min · West Coal City Road
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5
Take the ramp right toward I 55 South: Bloomington
991 ft · 24 sec
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6
Merge slight left
71.8 mi · 1 hr 17 min
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7
Take the exit slight right toward I 74 West: Peoria
2888 ft · 49 sec
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8
Continue straight
27.4 mi · 29 min
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9
Keep slight right to continue on I 74 West: Peoria
6 mi · 7 min
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10
Take the exit slight right toward IL 29 North: Downtown Peoria
869 ft · 23 sec
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11
Continue on Spalding Avenue
138 m · 20 sec · Spalding Avenue
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12
Turn left onto Northeast Jefferson Avenue
799 ft · 17 sec · Northeast Jefferson Avenue
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13
Arrive at your destination
0 m · 1 sec · Northeast Jefferson Avenue
Car Route Details
A richer read on the saved driving route between Diamond and Peoria.
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 55 South
Merge slight left
71.8 mi · 01h 17m
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 Diamond and Mostly Sunny near Peoria.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Diamond to Peoria?
The road trip is about 107.3 miles (172.7 km) and usually takes 01h 39m 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?
Lexington is a useful midpoint, sitting about 53.6 miles from Diamond and 53.7 miles from Peoria.
How much longer is the road route than the straight-line distance?
The direct path is about 81 miles (130.3 km), while the road route adds roughly 26.3 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:12 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.29 one way or $28.58 round trip. Estimated CO2 is about 33.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Diamond and Mostly Sunny near Peoria.
Stop Ideas Near Lexington
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 Lexington.
Uptown Station
Pontiac station
Dwight station
Rantoul
Flight Path Map
This map shows the direct air route between Diamond and Peoria. Straight-line distance: 80.95 mi (130.28 km).
#1 Diamond
Village in Illinois, USA
| Population | 2,484 |
| Coordinates | 41.2886400, -88.2517300 |
| Altitude | 172 |
| Country | United States |
#2 Peoria
The third most populous city in Illinois.
| Population | 109,428 |
| Coordinates | 40.6936500, -89.5889900 |
| Altitude | 153 |
| Country | United States |
End: Northeast Jefferson Avenue (-89.589088, 40.693742)
Estimated Travel Time
Distance: 173 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 34m |
| 40 mph (64.37 km/h) | 02h 41m |
| 50 mph (80.47 km/h) | 02h 08m |
| 60 mph (96.56 km/h) | 01h 47m |
| 70 mph (112.65 km/h) | 01h 32m |
| 80 mph (129 km/h) | 01h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $14.29 | $28.58 |
| Mid-grade | $4.25 | $16.12 | $32.24 |
| Premium | $4.65 | $17.64 | $35.28 |
| Diesel | $5.30 | $20.10 | $40.20 |
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.