How far is Gary, IN from Saint John, IN?
The driving distance from Gary, IN to Saint John, IN is about 17.6 miles (28.3 km), with a travel time of about 00h 32m by car.
- The straight-line flight distance is about 11.8 miles (19 km).
- For a round trip, plan for roughly 01h 05m 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 32m.
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.
The most populous city in Lake County, Indiana.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Partly Sunny
Driving Route Map
The map below follows the saved road route between Gary and Saint John.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gary and Saint John.
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1
Start on 10th Place
77 m · 19 sec · 10th Place
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2
Turn left onto Harrison Boulevard
2011 ft · 1 min · Harrison Boulevard
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3
Turn right onto West 15th Avenue
2432 ft · 56 sec · West 15th Avenue
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4
Turn left onto Richard G. Hatcher Boulevard
1.1 mi · 2 min · Richard G. Hatcher Boulevard
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5
Take the ramp slight right
2462 ft · 1 min
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6
Merge slight left onto Borman Expressway
5.8 mi · 8 min · Borman Expressway
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7
Take the exit slight right toward SR 152 North, US 41 South: Indianapolis Boulevard
1208 ft · 30 sec
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8
Keep slight right to continue on US 41 South: Indianapolis Boulevard
2625 ft · 1 min
-
9
Keep slight left to continue on US 41 South: Indianapolis Boulevard
8.6 mi · 18 min
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10
Turn left onto West 93rd Avenue
12 m · 1 sec · West 93rd Avenue
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11
Arrive at your destination
0 m · 1 sec · West 93rd Avenue
Car Route Details
A richer read on the saved driving route between Gary and Saint John.
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.
US 41 South
Keep slight left to continue on US 41 South: Indianapolis Boulevard
8.58 mi · 00h 18m
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.
Mostly Cloudy leaving Gary and Partly Sunny near Saint John.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gary to Saint John?
The road trip is about 17.6 miles (28.3 km) and usually takes 00h 32m 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?
Hammond is a useful midpoint, sitting about 8.8 miles from Gary and 8.8 miles from Saint John.
How much longer is the road route than the straight-line distance?
The direct path is about 11.8 miles (19 km), while the road route adds roughly 5.8 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 7:24 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.32 one way or $4.65 round trip. Estimated CO2 is about 5.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Gary and Partly Sunny near Saint John.
Stop Ideas Near Hammond
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 Hammond.
Dyer station
Hammond–Whiting station
Gary, IN
Homewood
Flight Path Map
This map shows the direct air route between Gary and Saint John. Straight-line distance: 11.79 mi (18.97 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 Saint John
Saint John is a place in Indiana, United States.
| Population | 0 |
| Coordinates | 41.4500400, -87.4700400 |
| Altitude | 221 |
| Country | United States |
End: Saint John (-87.47004, 41.45004)
Estimated Travel Time
Distance: 28 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 35m |
| 40 mph (64.37 km/h) | 00h 26m |
| 50 mph (80.47 km/h) | 00h 21m |
| 60 mph (96.56 km/h) | 00h 17m |
| 70 mph (112.65 km/h) | 00h 15m |
| 80 mph (129 km/h) | 00h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.75 | $2.32 | $4.65 |
| Mid-grade | $4.35 | $2.70 | $5.39 |
| Premium | $4.88 | $3.03 | $6.05 |
| Diesel | $6.73 | $4.17 | $8.35 |
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