How far is Roanoke, IN from Portage, IN?
The driving distance from Roanoke, IN to Portage, IN is about 120 miles (193.2 km), with a travel time of about 02h 19m by car.
- The straight-line flight distance is about 102.8 miles (165.4 km).
- For a round trip, plan for roughly 04h 38m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 02h 19m.
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.
City in Marshall County, Indiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Patchy Frost then Rain Likely
Driving Route Map
The map below follows the saved road route between Roanoke and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between Roanoke and Portage.
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1
Start on North Main Street
16 m · 8 sec · North Main Street
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2
Turn left onto 2nd Street
653 ft · 29 sec · 2nd Street
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3
Turn left
2072 ft · 42 sec
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4
Continue straight
3.5 mi · 5 min
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5
Turn left onto South 800 East; West County Line Road South
1.7 mi · 3 min · South 800 East; West County Line Road South
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6
Enter the roundabout and take exit 2 toward South 800 East; West County Line Road South
34 m · 2 sec · South 800 East; West County Line Road South
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7
Exit the roundabout onto South 800 East; West County Line Road South
6.4 mi · 11 min · South 800 East; West County Line Road South
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8
Turn left
93.5 mi · 2 hr 2 min
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9
Take the exit slight right toward SR 49 North, SR 2 East: Valparaiso, Chesterton
9.2 mi · 13 min
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10
Turn left onto I 80, I 90: Toll Road
120 m · 10 sec
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11
Continue straight
757 ft · 18 sec
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12
Continue on I 80, I 90: Toll Road
125 m · 10 sec
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13
Keep slight right to continue on I 80 West, I 90 West: Chicago
1246 ft · 31 sec
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14
Merge slight left onto Indiana Toll Road
6.5 mi · 8 min · Indiana Toll Road
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15
Take the exit slight right toward Portage
3121 ft · 1 min
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16
Keep slight left
47 m · 11 sec
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17
Turn left onto Willowcreek Road
3071 ft · 1 min · Willowcreek Road
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18
Turn left onto Central Avenue
1906 ft · 50 sec · Central Avenue
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19
Arrive at your destination
0 m · 1 sec · Central Avenue
Car Route Details
A richer read on the saved driving route between Roanoke and Portage.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Longest stretch
Turn left
93.5 mi · 02h 02m
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.
Mostly Sunny leaving Roanoke and Patchy Frost then Rain Likely near Portage.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Roanoke to Portage?
The road trip is about 120 miles (193.2 km) and usually takes 02h 19m 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?
Plymouth is a useful midpoint, sitting about 61.6 miles from Roanoke and 58.4 miles from Portage.
How much longer is the road route than the straight-line distance?
The direct path is about 102.8 miles (165.4 km), while the road route adds roughly 17.2 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 EDT. If you want a more comfortable same-day return, try to leave by 1:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.95 one way or $31.90 round trip. Estimated CO2 is about 37.6 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Roanoke and Portage, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Roanoke and Patchy Frost then Rain Likely near Portage.
Stop Ideas Near Plymouth
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 Plymouth.
South Bend station
Elkhart station
Niles station
New Buffalo, Michigan
Flight Path Map
This map shows the direct air route between Roanoke and Portage. Straight-line distance: 102.77 mi (165.39 km).
#1 Roanoke
Town in Indiana, United States
| Population | 1,706 |
| Coordinates | 40.9625500, -85.3733100 |
| Altitude | 231 |
| 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: 193 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 59m |
| 40 mph (64.37 km/h) | 03h 00m |
| 50 mph (80.47 km/h) | 02h 24m |
| 60 mph (96.56 km/h) | 02h 00m |
| 70 mph (112.65 km/h) | 01h 42m |
| 80 mph (129 km/h) | 01h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $15.95 | $31.90 |
| Mid-grade | $4.25 | $17.99 | $35.98 |
| Premium | $4.65 | $19.69 | $39.37 |
| Diesel | $5.30 | $22.44 | $44.87 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.