How far is Portage, IN from Knox, IN?
The driving distance from Portage, IN to Knox, IN is about 44.6 miles (71.8 km), with a travel time of about 01h 04m by car.
- The straight-line flight distance is about 34.5 miles (55.5 km).
- For a round trip, plan for roughly 02h 09m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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 04m.
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.
Human settlement in LaPorte County, Indiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers Likely
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Portage and Knox.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portage and Knox.
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1
Start on Central Avenue
1 km · 1 min · Central Avenue
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2
Turn right onto Airport Road
1.7 mi · 4 min · Airport Road
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3
Turn left
5.9 mi · 9 min
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4
Take the ramp slight right toward SR 49 South: Valparaiso
2031 ft · 56 sec
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5
Merge slight left
6.8 mi · 9 min
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6
Take the exit slight right toward US 30 East: Plymouth
1548 ft · 39 sec
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7
Merge slight left onto East Morthland Drive
21.6 mi · 28 min · East Morthland Drive
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8
Take the exit slight right
949 ft · 26 sec
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9
Keep slight right
740 ft · 20 sec
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10
Turn straight onto North 400 East
6.2 mi · 9 min · North 400 East
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11
Continue on North Heaton Street
2116 ft · 56 sec · North Heaton Street
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12
Turn right onto East John Street
1172 ft · 54 sec · East John Street
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13
Turn right
25 m · 6 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Portage and Knox.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
East Morthland Drive
Merge slight left onto East Morthland Drive
21.6 mi · 00h 28m
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.
Rain Showers Likely leaving Portage and Showers And Thunderstorms near Knox.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portage to Knox?
The road trip is about 44.6 miles (71.8 km) and usually takes 01h 04m 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?
Wanatah is a useful midpoint, sitting about 22.3 miles from Portage and 22.3 miles from Knox.
How much longer is the road route than the straight-line distance?
The direct path is about 34.5 miles (55.5 km), while the road route adds roughly 10.1 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 CDT. If you want a more comfortable same-day return, try to leave by 4:20 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.92 one way or $11.84 round trip. Estimated CO2 is about 14 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers Likely around Portage and Showers And Thunderstorms near Knox.
Stop Ideas Near Wanatah
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 Wanatah.
Michigan City
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New Buffalo
Flight Path Map
This map shows the direct air route between Portage and Knox. Straight-line distance: 34.49 mi (55.5 km).
#1 Portage
The second most populous city in Porter County, Indiana.
| Population | 90,543 |
| Coordinates | 41.5758700, -87.1761500 |
| Altitude | 194 |
| Country | United States |
#2 Knox
City in Center Township, Starke County, Indiana, United States
| Population | 3,597 |
| Coordinates | 41.2958800, -86.6250100 |
| Altitude | 217 |
| Country | United States |
End: Knox (-86.62501, 41.29588)
Estimated Travel Time
Distance: 72 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 29m |
| 40 mph (64.37 km/h) | 01h 06m |
| 50 mph (80.47 km/h) | 00h 53m |
| 60 mph (96.56 km/h) | 00h 44m |
| 70 mph (112.65 km/h) | 00h 38m |
| 80 mph (129 km/h) | 00h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $5.92 | $11.84 |
| Mid-grade | $4.25 | $6.68 | $13.35 |
| Premium | $4.65 | $7.31 | $14.61 |
| Diesel | $5.30 | $8.33 | $16.65 |
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 · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.