How far is Portage, IN from Fairmount, IN?
The driving distance from Portage, IN to Fairmount, IN is about 148.4 miles (238.8 km), with a travel time of about 03h 20m by car.
- The straight-line flight distance is about 113 miles (181.8 km).
- For a round trip, plan for roughly 06h 40m 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 20m.
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.
City in Fulton County, Indiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Portage and Fairmount.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portage and Fairmount.
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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
40.3 mi · 52 min · East Morthland Drive
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8
Take the exit slight right toward US 31 South
2480 ft · 1 min
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9
Merge slight left
4.1 mi · 5 min
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10
Merge slight left
1.4 km · 1 min
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11
Turn slight right
156 m · 7 sec
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12
Continue straight
62.5 mi · 1 hr 17 min
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13
Take the exit slight right toward SR 26: Lafayette, Hartford City
2072 ft · 59 sec
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14
Turn left onto East County Road 400 South
12.2 mi · 18 min · East County Road 400 South
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15
Continue on West County Road 900 South
10 mi · 15 min · West County Road 900 South
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16
Turn right onto South East 00 West
2610 ft · 50 sec · South East 00 West
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17
Turn left onto East 950 S
1.1 km · 2 min · East 950 S
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18
Continue on West Washington Street
2282 ft · 1 min · West Washington Street
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19
Turn right onto South Main Street
35 m · 5 sec · South Main Street
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20
Arrive at your destination
0 m · 1 sec · South Main Street
Car Route Details
A richer read on the saved driving route between Portage and Fairmount.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
US 31 South
Continue straight
62.5 mi · 01h 17m
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 Portage and Mostly Sunny near Fairmount.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portage to Fairmount?
The road trip is about 148.4 miles (238.8 km) and usually takes 03h 20m 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?
Rochester is a useful midpoint, sitting about 74.1 miles from Portage and 74.3 miles from Fairmount.
How much longer is the road route than the straight-line distance?
The direct path is about 113 miles (181.8 km), while the road route adds roughly 35.4 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 10:20 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.76 one way or $39.52 round trip. Estimated CO2 is about 46.6 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Portage and Fairmount, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Portage and Mostly Sunny near Fairmount.
Stop Ideas Near Rochester
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 Rochester.
South Bend station
Elkhart station
Rensselaer
Niles station
Flight Path Map
This map shows the direct air route between Portage and Fairmount. Straight-line distance: 112.95 mi (181.78 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 Fairmount
Town in Indiana, United States
| Population | 2,742 |
| Coordinates | 40.4153200, -85.6505300 |
| Altitude | 266 |
| Country | United States |
End: Fairmount (-85.65053, 40.41532)
Estimated Travel Time
Distance: 239 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 56m |
| 40 mph (64.37 km/h) | 03h 42m |
| 50 mph (80.47 km/h) | 02h 58m |
| 60 mph (96.56 km/h) | 02h 28m |
| 70 mph (112.65 km/h) | 02h 07m |
| 80 mph (129 km/h) | 01h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $19.76 | $39.52 |
| Mid-grade | $4.25 | $22.29 | $44.57 |
| Premium | $4.65 | $24.39 | $48.77 |
| Diesel | $5.30 | $27.79 | $55.59 |
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.