How far is Crystal Lake, IL from Frankfort, IL?
The driving distance from Crystal Lake, IL to Frankfort, IL is about 348.2 miles (560.3 km), with a travel time of about 06h 43m by car.
- The straight-line flight distance is about 301.6 miles (485.3 km).
- For a round trip, plan for roughly 13h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 43m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
The most populous city in Champaign County, Illinois.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Crystal Lake and Frankfort.
Turn-by-Turn Driving Directions
Step-by-step road directions between Crystal Lake and Frankfort.
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1
Start on East Crystal Lake Avenue
8 m · 5 sec · East Crystal Lake Avenue
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2
Turn right onto South Main Street
1.7 mi · 4 min · South Main Street
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3
Continue on Pyott Road
3 mi · 5 min · Pyott Road
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4
Turn left onto West Algonquin Road
7.8 mi · 13 min · West Algonquin Road
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5
Turn straight onto Dundee Road
1483 ft · 30 sec · Dundee Road
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6
Continue on Algonquin Road
2.2 mi · 4 min · Algonquin Road
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7
Turn right onto North Barrington Road
2.1 mi · 4 min · North Barrington Road
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8
Take the ramp left
2915 ft · 38 sec
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9
Merge slight left onto Jane Addams Memorial Tollway
4.5 mi · 5 min · Jane Addams Memorial Tollway
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10
Take the exit slight right toward I 290, IL 53: Chicago, West Suburbs
2618 ft · 1 min
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11
Keep slight right to continue on I 290 East, IL 53 South: Chicago, West Suburbs
1686 ft · 41 sec
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12
Continue on I 290 East, IL 53 South: Chicago, West Suburbs
1362 ft · 33 sec
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13
Merge slight left
5.7 mi · 7 min
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14
Keep slight right to continue on I 290 East: Chicago
9.3 mi · 12 min
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15
Take the exit slight right toward I 88 West, I 294 South: Aurora, Indiana
1648 ft · 40 sec
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16
Continue on Tri-State Tollway
1937 ft · 47 sec · Tri-State Tollway
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17
Keep slight left to continue on Tri-State Tollway
1 mi · 2 min · Tri-State Tollway
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18
Merge slight left onto Tri-State Tollway
42 m · 2 sec · Tri-State Tollway
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19
Keep slight left to continue on Tri-State Tollway
4.8 mi · 6 min · Tri-State Tollway
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20
Keep slight right to continue on Tri-State Tollway
3.5 mi · 4 min · Tri-State Tollway
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21
Continue on Mile-Long Bridge
1.5 km · 1 min · Mile-Long Bridge
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22
Continue on Tri-State Tollway
8.5 mi · 11 min · Tri-State Tollway
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23
Take the exit slight right toward IL 50 South, IL 83: Cicero Avenue, 127th Street
1162 ft · 28 sec
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24
Keep slight left to continue on IL 50 South: Cicero Avenue
2529 ft · 1 min
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25
Turn straight onto Cicero Avenue
4.9 mi · 8 min · Cicero Avenue
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26
Turn left onto 167th Street
855 ft · 26 sec · 167th Street
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27
Take the ramp slight right toward I 57 South: Kankakee, I-80
3048 ft · 1 min
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28
Merge slight left
188.4 mi · 3 hr 24 min
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29
Keep slight left to continue on I 57 South: Memphis
65.7 mi · 1 hr 11 min
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30
Keep slight right to continue on Ken Gray Expressway
27.1 mi · 29 min · Ken Gray Expressway
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31
Take the exit slight right toward IL 149: West Frankfort, Zeigler
1422 ft · 35 sec
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32
Enter the roundabout and take exit 3 toward West Main Street
1001 ft · 17 sec · West Main Street
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33
Exit the roundabout onto West Main Street
2.3 mi · 4 min · West Main Street
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34
Turn left onto North Benton Road
788 ft · 36 sec · North Benton Road
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35
Turn right onto East Saint Louis Street
30 m · 4 sec · East Saint Louis Street
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36
Arrive at your destination
0 m · 1 sec · East Saint Louis Street
Car Route Details
A richer read on the saved driving route between Crystal Lake and Frankfort.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 57 South
Merge slight left
188 mi · 03h 24m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Showers And Thunderstorms Likely leaving Crystal Lake and Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms near Frankfort.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Crystal Lake to Frankfort?
The road trip is about 348.2 miles (560.3 km) and usually takes 06h 43m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Champaign is a useful midpoint, sitting about 174.2 miles from Crystal Lake and 174 miles from Frankfort.
How much longer is the road route than the straight-line distance?
The direct path is about 301.6 miles (485.3 km), while the road route adds roughly 46.6 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 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $46.35 one way or $92.69 round trip. Estimated CO2 is about 109.2 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Crystal Lake and Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms near Frankfort.
Stop Ideas Near Champaign
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 Champaign.
Illinois Terminal
Rantoul
Danville, Illinois
Mattoon station
Flight Path Map
This map shows the direct air route between Crystal Lake and Frankfort. Straight-line distance: 301.53 mi (485.27 km).
#1 Crystal Lake
City located in McHenry County, Illinois, USA
| Population | 39,642 |
| Coordinates | 42.2411300, -88.3162000 |
| Altitude | 279 |
| Country | United States |
#2 Frankfort
County seat city in Franklin County, Kentucky, USA and Kentucky federated state capital city
| Population | 19,411 |
| Coordinates | 37.9000500, -88.9022900 |
| Altitude | 145 |
| Country | United States |
End: Frankfort (-88.90229, 37.90005)
Estimated Travel Time
Distance: 560 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 36m |
| 40 mph (64.37 km/h) | 08h 42m |
| 50 mph (80.47 km/h) | 06h 57m |
| 60 mph (96.56 km/h) | 05h 48m |
| 70 mph (112.65 km/h) | 04h 58m |
| 80 mph (129 km/h) | 04h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $46.35 | $92.69 |
| Mid-grade | $4.25 | $52.27 | $104.54 |
| Premium | $4.65 | $57.20 | $114.40 |
| Diesel | $5.30 | $65.19 | $130.37 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.