How far is McHenry, IL from Quincy, IL?
The driving distance from McHenry, IL to Quincy, IL is about 304.2 miles (489.6 km), with a travel time of about 05h 05m by car.
- The straight-line flight distance is about 232.8 miles (374.6 km).
- For a round trip, plan for roughly 10h 10m 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 05h 05m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between McHenry and Quincy.
Turn-by-Turn Driving Directions
Step-by-step road directions between McHenry and Quincy.
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1
Start on the route
22 m · 11 sec
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2
Turn left
33 m · 13 sec
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3
Turn left onto North Green Street
1.3 km · 3 min · North Green Street
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4
Turn right onto Bull Valley Road
1863 ft · 37 sec · Bull Valley Road
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5
Turn left onto South Front Street
5.1 mi · 8 min · South Front Street
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6
Turn right onto East Terra Cotta Avenue
7 mi · 12 min · East Terra Cotta Avenue
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7
Turn right
1.4 km · 1 min
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8
Turn left
9 mi · 13 min
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9
At the end of the road, turn left onto North State Street
2473 ft · 47 sec · North State Street
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10
Turn right onto West Grant Highway
5 mi · 7 min · West Grant Highway
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11
Continue on U.S. Grant Memorial Highway
13.5 mi · 20 min · U.S. Grant Memorial Highway
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12
Continue on U.S. Grant Memorial Highway
569 ft · 10 sec · U.S. Grant Memorial Highway
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13
Continue on Harrison Avenue
126 m · 7 sec · Harrison Avenue
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14
Take the ramp slight left
1764 ft · 43 sec
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15
Merge slight left
1.8 mi · 2 min
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16
Keep slight right
22.3 mi · 24 min
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17
Take the exit slight right toward I 88 West Toll: Moline, Rock Island
2931 ft · 50 sec
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18
Merge slight left onto Ronald Reagan Memorial Tollway
33.8 mi · 36 min · Ronald Reagan Memorial Tollway
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19
Continue on Ronald Reagan Memorial Highway
1.1 mi · 1 min · Ronald Reagan Memorial Highway
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20
Continue on Ronald Reagan Memorial Highway
37.8 mi · 40 min · Ronald Reagan Memorial Highway
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21
Continue on Chicago-Kansas City Expressway
5.4 mi · 6 min · Chicago-Kansas City Expressway
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22
Take the exit slight right toward I 80: Peoria
7.1 mi · 8 min
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23
Keep slight left to continue on Chicago-Kansas City Expressway
31.3 mi · 34 min · Chicago-Kansas City Expressway
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24
Take the exit slight right toward US 34 West: Monmouth
49.6 mi · 59 min
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25
Continue on East 1200th Street
1.2 mi · 1 min · East 1200th Street
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26
Continue on North Lafayette Street
1.6 mi · 3 min · North Lafayette Street
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27
Turn right onto West Calhoun Street
929 ft · 27 sec · West Calhoun Street
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28
Continue on North Johnson Street
121 m · 11 sec · North Johnson Street
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29
Turn right onto West Jackson Street
6.2 mi · 10 min · West Jackson Street
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30
Continue on Macomb Street
2971 ft · 50 sec · Macomb Street
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31
Continue on East North Street
1 km · 56 sec · East North Street
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32
Continue on East Campbell Street
3.1 mi · 5 min · East Campbell Street
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33
Turn right onto Chicago-Kansas City Expressway
46 mi · 53 min · Chicago-Kansas City Expressway
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34
Take the exit slight right toward US 24: Mount Sterling, Keokuk
2465 ft · 1 min
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35
Turn right
9.1 mi · 14 min
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36
Turn left onto Vermont Street
141 m · 26 sec · Vermont Street
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37
Turn left onto North 4th Street
104 m · 5 sec · North 4th Street
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38
Turn right
22 m · 2 sec
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39
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between McHenry and Quincy.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
US 34 West
Take the exit slight right toward US 34 West: Monmouth
49.6 mi · 00h 59m
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.
Sunny leaving McHenry and Sunny near Quincy.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from McHenry to Quincy?
The road trip is about 304.2 miles (489.6 km) and usually takes 05h 05m 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?
Green Rock is a useful midpoint, sitting about 151.3 miles from McHenry and 152.9 miles from Quincy.
How much longer is the road route than the straight-line distance?
The direct path is about 232.8 miles (374.6 km), while the road route adds roughly 71.4 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 6:50 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.50 one way or $81.00 round trip. Estimated CO2 is about 95.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around McHenry and Sunny near Quincy.
Stop Ideas Near Green Rock
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 Green Rock.
Moline, Illinois
Rock Island, IL
Davenport, Iowa
Kewanee
Flight Path Map
This map shows the direct air route between McHenry and Quincy. Straight-line distance: 232.77 mi (374.61 km).
#1 McHenry
City in Illinois
| Population | 27,100 |
| Coordinates | 42.3333500, -88.2667500 |
| Altitude | 243 |
| Country | United States |
#2 Quincy
County seat of Adams County, Illinois, United States
| Population | 39,589 |
| Coordinates | 39.9356000, -91.4098700 |
| Altitude | 173 |
| Country | United States |
End: Broadway Street (-91.40987, 39.935697)
Estimated Travel Time
Distance: 490 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 08m |
| 40 mph (64.37 km/h) | 07h 36m |
| 50 mph (80.47 km/h) | 06h 05m |
| 60 mph (96.56 km/h) | 05h 04m |
| 70 mph (112.65 km/h) | 04h 20m |
| 80 mph (129 km/h) | 03h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $40.50 | $81.00 |
| Mid-grade | $4.25 | $45.68 | $91.35 |
| Premium | $4.65 | $49.98 | $99.97 |
| Diesel | $5.30 | $56.96 | $113.93 |
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.