How far is Peoria, IL from Rock Grove, IL?
The driving distance from Peoria, IL to Rock Grove, IL is about 145 miles (233.4 km), with a travel time of about 03h 24m by car.
- The straight-line flight distance is about 122.3 miles (196.9 km).
- For a round trip, plan for roughly 06h 48m 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 24m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Village in Bureau County, 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 Peoria and Rock Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between Peoria and Rock Grove.
-
1
Start on Northeast Jefferson Avenue
26 m · 9 sec · Northeast Jefferson Avenue
-
2
Turn left onto Hamilton Boulevard
142 m · 20 sec · Hamilton Boulevard
-
3
Turn left onto Northeast Adams Street
2.6 mi · 5 min · Northeast Adams Street
-
4
Continue on Northeast Adams Street
1568 ft · 41 sec · Northeast Adams Street
-
5
Continue on North Galena Road
7.1 mi · 10 min · North Galena Road
-
6
Keep slight left
98 m · 4 sec
-
7
Keep slight right
45 m · 2 sec
-
8
Continue on North Galena Road
2326 ft · 36 sec · North Galena Road
-
9
Continue on North State Route 29
6.1 mi · 8 min · North State Route 29
-
10
Continue on South 4th Street
9.1 mi · 11 min · South 4th Street
-
11
Continue on Railroad Street
1.1 mi · 1 min · Railroad Street
-
12
Continue on County Road 1400 East
17.8 mi · 20 min · County Road 1400 East
-
13
Merge slight right
8.9 mi · 10 min
-
14
Keep slight left to continue on I 80 West: Davenport
1.4 km · 2 min
-
15
Merge slight left
4.3 mi · 5 min
-
16
Take the exit slight right toward IL 26: Princeton, Dixon
1795 ft · 43 sec
-
17
Turn right onto Main Street
1.6 mi · 2 min · Main Street
-
18
Continue on County Road 2010 East
1.4 mi · 2 min · County Road 2010 East
-
19
Continue on 2050 East Street
7.3 mi · 11 min · 2050 East Street
-
20
Continue on South Main Street
1 mi · 1 min · South Main Street
-
21
Continue on County Road 2050 E
27.3 mi · 42 min · County Road 2050 E
-
22
Continue straight
6.4 mi · 10 min
-
23
Continue straight
3.1 mi · 5 min
-
24
Continue straight
2692 ft · 45 sec
-
25
Continue straight
5.3 mi · 8 min
-
26
Turn slight left onto South Walnut Avenue
13.7 mi · 21 min · South Walnut Avenue
-
27
Turn right onto West Douglas Street
1.2 km · 1 min · West Douglas Street
-
28
Turn right onto North Adams Avenue
97 m · 11 sec · North Adams Avenue
-
29
Turn left onto East Exchange Street
570 ft · 30 sec · East Exchange Street
-
30
Turn left onto East Stephenson Street
9.8 mi · 15 min · East Stephenson Street
-
31
Continue on IL-75
2.3 mi · 3 min · IL-75
-
32
Turn left onto North Rock City Road
3.5 mi · 5 min · North Rock City Road
-
33
At the end of the road, turn left onto East Rock Grove Road
1.8 mi · 3 min · East Rock Grove Road
-
34
Arrive at your destination
0 m · 1 sec · East Rock Grove Road
Car Route Details
A richer read on the saved driving route between Peoria and Rock Grove.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
County Road 2050 E
Continue on County Road 2050 E
27.3 mi · 00h 42m
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.
Mostly Sunny leaving Peoria and Sunny near Rock Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Peoria to Rock Grove?
The road trip is about 145 miles (233.4 km) and usually takes 03h 24m 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?
Ohio is a useful midpoint, sitting about 72.6 miles from Peoria and 72.5 miles from Rock Grove.
How much longer is the road route than the straight-line distance?
The direct path is about 122.3 miles (196.9 km), while the road route adds roughly 22.7 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:12 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.31 one way or $38.62 round trip. Estimated CO2 is about 45.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Peoria and Sunny near Rock Grove.
Stop Ideas Near Ohio
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 Ohio.
Princeton
Mendota station
Kewanee
Plano
Flight Path Map
This map shows the direct air route between Peoria and Rock Grove. Straight-line distance: 122.32 mi (196.85 km).
#1 Peoria
The third most populous city in Illinois.
| Population | 109,428 |
| Coordinates | 40.6936500, -89.5889900 |
| Altitude | 153 |
| Country | United States |
#2 Rock Grove
Unincorporated community in Illinois
| Population | 1,296 |
| Coordinates | 42.4630700, -89.5120600 |
| Altitude | 288 |
| Country | United States |
End: Rock Grove (-89.51206, 42.46307)
Estimated Travel Time
Distance: 233 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 49m |
| 40 mph (64.37 km/h) | 03h 37m |
| 50 mph (80.47 km/h) | 02h 54m |
| 60 mph (96.56 km/h) | 02h 25m |
| 70 mph (112.65 km/h) | 02h 04m |
| 80 mph (129 km/h) | 01h 48m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $19.31 | $38.62 |
| Mid-grade | $4.25 | $21.78 | $43.55 |
| Premium | $4.65 | $23.83 | $47.66 |
| Diesel | $5.30 | $27.16 | $54.31 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.