How far is Gary, IN from Knox, IN?
The driving distance from Gary, IN to Knox, IN is about 184.8 miles (297.4 km), with a travel time of about 03h 30m by car.
- The straight-line flight distance is about 154.5 miles (248.7 km).
- For a round trip, plan for roughly 07h 01m 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 30m.
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.
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 Gary and Knox.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gary and Knox.
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1
Start on 10th Place
17 m · 4 sec · 10th Place
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2
Turn right onto Harrison Street
146 m · 28 sec · Harrison Street
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3
Turn left onto West 11th Avenue
1250 ft · 39 sec · West 11th Avenue
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4
Turn right onto Madison Street
1406 ft · 48 sec · Madison Street
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5
Turn left onto West 15th Avenue
1 mi · 2 min · West 15th Avenue
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6
Continue on Central Avenue
854 ft · 22 sec · Central Avenue
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7
Turn right onto Martin Luther King Drive
2.5 mi · 5 min · Martin Luther King Drive
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8
Turn left onto East Ridge Road
1276 ft · 35 sec · East Ridge Road
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9
Take the ramp slight right
1469 ft · 36 sec
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10
Merge slight left onto Casimir Pulaski Memorial Highway
128.7 mi · 2 hr 20 min · Casimir Pulaski Memorial Highway
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11
Keep slight right
5.1 mi · 6 min
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12
Merge slight right
12.5 mi · 15 min
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13
Merge slight right
5.7 mi · 7 min
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14
Take the exit slight right toward I 70: Dayton, Indianapolis
1087 ft · 17 sec
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15
Keep slight left to continue on I 70: Dayton, Indianapolis
44 m · 2 sec
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16
Keep slight left to continue on I 70 East: Dayton
1 km · 1 min
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17
Merge slight left onto Dwight D Eisenhower Highway
25.4 mi · 28 min · Dwight D Eisenhower Highway
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18
Take the exit slight right toward SR 109: Wilkinson, Knightstown
2158 ft · 44 sec
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19
Turn right onto McCullum
1.6 km · 1 min · McCullum
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20
Turn right onto South Grant City Road
2047 ft · 1 min · South Grant City Road
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21
Arrive at your destination
0 m · 1 sec · South Grant City Road
Car Route Details
A richer read on the saved driving route between Gary and Knox.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Casimir Pulaski Memorial Highway
Merge slight left onto Casimir Pulaski Memorial Highway
129 mi · 02h 20m
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 Gary and Mostly Sunny near Knox.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gary to Knox?
The road trip is about 184.8 miles (297.4 km) and usually takes 03h 30m 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?
Dayton is a useful midpoint, sitting about 92.4 miles from Gary and 92.4 miles from Knox.
How much longer is the road route than the straight-line distance?
The direct path is about 154.5 miles (248.7 km), while the road route adds roughly 30.3 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:58 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.59 one way or $49.17 round trip. Estimated CO2 is about 57.9 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Gary and Knox, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Gary and Mostly Sunny near Knox.
Stop Ideas Near Dayton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Town of Mulberry - Town Hall & Municipal Utilities
Lafayette City Hall
Morton Community Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Dayton.
Lafayette station
Crawfordsville (Bus), Indiana
Crawfordsville
Rensselaer
Flight Path Map
This map shows the direct air route between Gary and Knox. Straight-line distance: 154.57 mi (248.75 km).
#1 Gary
The most populous city in Lake County, Indiana.
| Population | 74,693 |
| Coordinates | 41.5933700, -87.3464300 |
| Altitude | 183 |
| Country | United States |
#2 Knox
City in Center Township, Starke County, Indiana, United States
| Population | 3,552 |
| Coordinates | 39.8231000, -85.5419200 |
| Altitude | 300 |
| Country | United States |
End: Knox (-85.54192, 39.8231)
Estimated Travel Time
Distance: 297 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 09m |
| 40 mph (64.37 km/h) | 04h 37m |
| 50 mph (80.47 km/h) | 03h 41m |
| 60 mph (96.56 km/h) | 03h 04m |
| 70 mph (112.65 km/h) | 02h 38m |
| 80 mph (129 km/h) | 02h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $24.59 | $49.17 |
| Mid-grade | $4.25 | $27.73 | $55.46 |
| Premium | $4.65 | $30.34 | $60.69 |
| Diesel | $5.30 | $34.58 | $69.16 |
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 Indiana · 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.