How far is Portage, IN from Rockville, IN?
The driving distance from Portage, IN to Rockville, IN is about 150.2 miles (241.7 km), with a travel time of about 03h 18m by car.
- The straight-line flight distance is about 125.3 miles (201.7 km).
- For a round trip, plan for roughly 06h 36m 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 18m.
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 Newton County, Indiana, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Partly Cloudy
Driving Route Map
The map below follows the saved road route between Portage and Rockville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portage and Rockville.
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1
Start on Central Avenue
1861 ft · 53 sec · Central Avenue
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2
Turn right onto Willowcreek Road
2930 ft · 1 min · Willowcreek Road
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3
Take the ramp slight right toward I 80, I 90
132 m · 12 sec
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4
Keep slight right
673 ft · 16 sec
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5
Continue straight
1945 ft · 47 sec
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6
Merge slight left onto Indiana Toll Road
2.6 mi · 3 min · Indiana Toll Road
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7
Take the exit slight right toward I 80 West, I 94, US 6: Des Moines
3216 ft · 1 min
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8
Keep slight right to continue on I 94 West, I 80 West, SR 51, US 6 East
543 ft · 13 sec
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9
Keep slight left to continue on I 94 West, I 80 West
2.9 mi · 4 min
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10
Take the exit slight right toward I 65: Gary, Toll Road, Indianapolis
1 km · 52 sec
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11
Keep slight left to continue on I 65 South, I 80 West, I 94 West, US 6 West: Indianapolis, Chicago
618 ft · 10 sec
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12
Keep slight left to continue on I 65 South: Indianapolis
2686 ft · 60 sec
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13
Merge slight left onto Casimir Pulaski Memorial Highway
38.5 mi · 43 min · Casimir Pulaski Memorial Highway
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14
Take the exit slight right toward SR 14: Winamac
2432 ft · 46 sec
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15
Turn right onto State Road 14
9.2 mi · 13 min · State Road 14
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16
Turn left
25.5 mi · 33 min
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17
Keep slight left
21.6 mi · 27 min
-
18
Continue straight
1.2 mi · 2 min
-
19
Turn left onto West 200 North
1884 ft · 33 sec · West 200 North
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20
Turn right
7.1 mi · 11 min
-
21
Turn right onto South Council Street
37 mi · 55 min · South Council Street
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22
Turn left onto West Ohio Street
1987 ft · 34 sec · West Ohio Street
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23
Arrive at your destination
0 m · 1 sec · West Ohio Street
Car Route Details
A richer read on the saved driving route between Portage and Rockville.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Casimir Pulaski Memorial Highway
Merge slight left onto Casimir Pulaski Memorial Highway
38.5 mi · 00h 43m
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.
Partly Sunny leaving Portage and Partly Cloudy near Rockville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portage to Rockville?
The road trip is about 150.2 miles (241.7 km) and usually takes 03h 18m 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?
Kentland is a useful midpoint, sitting about 75.1 miles from Portage and 75.1 miles from Rockville.
How much longer is the road route than the straight-line distance?
The direct path is about 125.3 miles (201.7 km), while the road route adds roughly 24.9 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:24 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.99 one way or $39.97 round trip. Estimated CO2 is about 47.1 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Portage and Rockville, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Partly Sunny around Portage and Partly Cloudy near Rockville.
Stop Ideas Near Kentland
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 Kentland.
Rensselaer
Gilman
Kankakee
Lafayette station
Flight Path Map
This map shows the direct air route between Portage and Rockville. Straight-line distance: 125.32 mi (201.68 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 Rockville
Town in Adams Township, Parke County, Indiana, United States
| Population | 2,449 |
| Coordinates | 39.7625400, -87.2291800 |
| Altitude | 217 |
| Country | United States |
End: Rockville (-87.22918, 39.76254)
Estimated Travel Time
Distance: 242 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 00m |
| 40 mph (64.37 km/h) | 03h 45m |
| 50 mph (80.47 km/h) | 03h 00m |
| 60 mph (96.56 km/h) | 02h 30m |
| 70 mph (112.65 km/h) | 02h 08m |
| 80 mph (129 km/h) | 01h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $19.99 | $39.97 |
| Mid-grade | $4.25 | $22.54 | $45.08 |
| Premium | $4.65 | $24.67 | $49.33 |
| Diesel | $5.30 | $28.11 | $56.22 |
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 · Jun 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.