How far is Saint John, IN from Portage, IN?
The driving distance from Saint John, IN to Portage, IN is about 26.5 miles (42.6 km), with a travel time of about 00h 38m by car.
- The straight-line flight distance is about 17.5 miles (28.2 km).
- For a round trip, plan for roughly 01h 16m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CST.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 38m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Ross Township, Lake County, Indiana
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Chance Drizzle
Driving Route Map
The map below follows the saved road route between Saint John and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint John and Portage.
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1
Start on West 93rd Avenue
12 m · 5 sec · West 93rd Avenue
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2
Turn right onto Wicker Avenue
2.8 mi · 5 min · Wicker Avenue
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3
Turn right onto West Lincoln Highway
3.7 mi · 6 min · West Lincoln Highway
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4
Continue on Joliet Street
2757 ft · 49 sec · Joliet Street
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5
Continue on West Lincoln Highway
1.1 mi · 2 min · West Lincoln Highway
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6
Continue on West 81st Avenue
1.9 mi · 3 min · West 81st Avenue
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7
Continue on East 81st Avenue
1719 ft · 35 sec · East 81st Avenue
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8
Take the ramp slight right toward I 65: Indianapolis, Chicago
122 m · 10 sec
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9
Keep slight left to continue on I 65 North: Chicago
2708 ft · 1 min
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10
Merge slight left onto Casimir Pulaski Memorial Highway
6.7 mi · 9 min · Casimir Pulaski Memorial Highway
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11
Take the exit slight right toward I 80 East, I 94 East, US 6 East: Toledo, Detroit
1.4 km · 1 min
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12
Keep slight right to continue on Central Avenue
1760 ft · 38 sec
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13
Turn right onto Central Avenue
4.3 mi · 9 min · Central Avenue
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14
Continue on Central Avenue
1.4 mi · 3 min · Central Avenue
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15
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Saint John and Portage.
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.
Casimir Pulaski Memorial Highway
Merge slight left onto Casimir Pulaski Memorial Highway
6.74 mi · 00h 09m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Partly Sunny leaving Saint John and Chance Drizzle near Portage.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint John to Portage?
The road trip is about 26.5 miles (42.6 km) and usually takes 00h 38m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Merrillville is a useful midpoint, sitting about 12.2 miles from Saint John and 14.2 miles from Portage.
How much longer is the road route than the straight-line distance?
The direct path is about 17.5 miles (28.2 km), while the road route adds roughly 9 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 7:00 AM to 7:00 PM CST. If you want a more comfortable same-day return, try to leave by 7:14 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.52 one way or $7.05 round trip. Estimated CO2 is about 8.4 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Saint John and Chance Drizzle near Portage.
Stop Ideas Near Merrillville
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 Merrillville.
Gary, IN
Dyer station
Hammond–Whiting station
Homewood
Flight Path Map
This map shows the direct air route between Saint John and Portage. Straight-line distance: 17.52 mi (28.19 km).
#1 Saint John
Saint John is a place in Indiana, United States.
| Population | 0 |
| Coordinates | 41.4500400, -87.4700400 |
| Altitude | 221 |
| Country | United States |
#2 Portage
The second most populous city in Porter County, Indiana.
| Population | 90,543 |
| Coordinates | 41.5758700, -87.1761500 |
| Altitude | 194 |
| Country | United States |
End: Central Avenue (-87.17615, 41.575874)
Estimated Travel Time
Distance: 43 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 52m |
| 40 mph (64.37 km/h) | 00h 39m |
| 50 mph (80.47 km/h) | 00h 31m |
| 60 mph (96.56 km/h) | 00h 26m |
| 70 mph (112.65 km/h) | 00h 22m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.75 | $3.52 | $7.05 |
| Mid-grade | $4.35 | $4.09 | $8.18 |
| Premium | $4.88 | $4.59 | $9.18 |
| Diesel | $6.73 | $6.33 | $12.65 |
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 · Nov 05, 2026