How far is Kempton, IL from Harpster, IL?
The driving distance from Kempton, IL to Harpster, IL is about 46.1 miles (74.2 km), with a travel time of about 01h 21m by car.
- The straight-line flight distance is about 38.3 miles (61.6 km).
- For a round trip, plan for roughly 02h 43m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CST.
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 21m.
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.
Settlement in Illinois, USA
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 Kempton and Harpster.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kempton and Harpster.
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1
Start on Main Street
107 m · 17 sec · Main Street
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2
Turn left onto Gardner Street
129 m · 19 sec · Gardner Street
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3
Turn right onto Township Line Road
143 m · 21 sec · Township Line Road
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4
Continue on East 3700 North Road
1.4 mi · 5 min · East 3700 North Road
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5
Turn right
12.6 mi · 19 min
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6
Turn slight right onto Green Street
1.4 mi · 2 min · Green Street
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7
Turn right
9.5 mi · 17 min
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8
Turn right
15.2 mi · 27 min
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9
At the end of the road, turn right onto East 1st Street
5.8 mi · 10 min · East 1st Street
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10
Turn right onto East 50 North Road
133 m · 19 sec · East 50 North Road
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11
Arrive at your destination
0 m · 1 sec · East 50 North Road
Car Route Details
A richer read on the saved driving route between Kempton and Harpster.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
Turn right
15.2 mi · 00h 27m
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 Kempton and Mostly Sunny near Harpster.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kempton to Harpster?
The road trip is about 46.1 miles (74.2 km) and usually takes 01h 21m 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?
Roberts is a useful midpoint, sitting about 23.1 miles from Kempton and 23.1 miles from Harpster.
How much longer is the road route than the straight-line distance?
The direct path is about 38.3 miles (61.6 km), while the road route adds roughly 7.8 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 CST. If you want a more comfortable same-day return, try to leave by 3:46 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.51 one way or $15.02 round trip. Estimated CO2 is about 14.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Kempton and Mostly Sunny near Harpster.
Stop Ideas Near Roberts
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 Roberts.
Gilman
Rantoul
Pontiac station
Illinois Terminal
Flight Path Map
This map shows the direct air route between Kempton and Harpster. Straight-line distance: 38.26 mi (61.57 km).
#1 Kempton
Human settlement in Illinois, United States of America
| Population | 206 |
| Coordinates | 40.9355900, -88.2372700 |
| Altitude | 223 |
| Country | United States |
#2 Harpster
Harpster is a place in Illinois, United States.
| Population | 0 |
| Coordinates | 40.4055900, -88.4486700 |
| Altitude | 226 |
| Country | United States |
End: Harpster (-88.44867, 40.40559)
Estimated Travel Time
Distance: 74 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 32m |
| 40 mph (64.37 km/h) | 01h 09m |
| 50 mph (80.47 km/h) | 00h 55m |
| 60 mph (96.56 km/h) | 00h 46m |
| 70 mph (112.65 km/h) | 00h 39m |
| 80 mph (129 km/h) | 00h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.61 | $7.51 | $15.02 |
| Mid-grade | $5.24 | $8.54 | $17.08 |
| Premium | $5.79 | $9.44 | $18.89 |
| Diesel | $6.59 | $10.74 | $21.49 |
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 · Nov 06, 2026