How far is Rockville, IN from Portage, IN?

The driving distance from Rockville, IN to Portage, IN is about 155.9 miles (250.9 km), with a travel time of about 02h 40m by car.

  • The straight-line flight distance is about 125.3 miles (201.7 km).
  • For a round trip, plan for roughly 05h 20m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
155.9 mi
02h 40m
Flight
125.32 mi
201.68 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Rockville.

Flight Distance

Direct air line
125.32 mi
Kilometers
201.68 km
Flight Time
00h 15m

Driving Distance

Road route
155.9 mi
Kilometers
250.89 km
Drive Time
02h 40m

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 40m.

Arrival Snapshot
Arrive in Portage
Mon, Jun 1, 7:57 PM CDT
Return by in Rockville
Mon, Jun 1, 11:38 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Rockville
2026-06-01T18:17
Arrive Portage
Mon, Jun 1, 8:57 PM EDT
Route Timing
02h 40m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:40 AM to 11:40 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:10 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Rockville
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Kentland
IN

City in Newton County, Indiana, United States of America

From Rockville
74.3 mi
01h 20m
To Portage
81.6 mi
01h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Monday

Mostly Sunny

Starts
Mon, Jun 1 6:00 AM EDT
Wind
0 to 3 mph ENE
Destination
74°F
Monday

Partly Sunny

Starts
Mon, Jun 1 6:00 AM CDT
Wind
0 to 10 mph N

Driving Route Map

The map below follows the saved road route between Rockville and Portage.

Turn-by-Turn Driving Directions

Step-by-step road directions between Rockville and Portage.

  1. 1

    Start on West Ohio Street

    1987 ft · 36 sec · West Ohio Street

  2. 2

    Turn right

    37 mi · 55 min

  3. 3

    Turn left onto East Jackson Street

    7.1 mi · 11 min · East Jackson Street

  4. 4

    Turn left onto West 200 North

    1847 ft · 36 sec · West 200 North

  5. 5

    Turn right

    1.5 km · 1 min

  6. 6

    Continue straight

    47.3 mi · 1 hr

  7. 7

    Turn right onto State Road 14

    9.5 mi · 13 min · State Road 14

  8. 8

    Take the ramp left

    2584 ft · 1 min

  9. 9

    Merge slight left

    38.5 mi · 43 min

  10. 10

    Take the exit slight right toward I 80 East, I 94 East, US 6 East: Toledo, Detroit

    1.4 km · 1 min

  11. 11

    Keep slight right to continue on Central Avenue

    1760 ft · 38 sec

  12. 12

    Turn right onto Central Avenue

    4.3 mi · 9 min · Central Avenue

  13. 13

    Continue on Central Avenue

    1.4 mi · 3 min · Central Avenue

  14. 14

    Arrive at your destination

    0 m · 1 sec · Central Avenue

Car Route Details

A richer read on the saved driving route between Rockville and Portage.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
14 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
9 / 100 mi
Decision points by distance
Main Roads
State Road 14
48.6 mi · 31%
West 200 North
47.7 mi · 31%
East Jackson Street
7.1 mi · 5%
Central Avenue
6.01 mi · 4%
I 80 East
0.87 mi · 1%
West Ohio Street
0.38 mi
Longest Stretch

West 200 North

Continue straight

47.3 mi · 01h 00m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 40m
Day trip friendly
Same-Day Return
05h 20m
Round-trip wheel time
Road vs Air
+30.6 mi
125.3 mi direct line
Halfway Stop
Kentland
01h 20m from Rockville
Leave By
1:10 PM EDT
Morning start is best
Weather Watch

Mostly Sunny leaving Rockville and Partly Sunny near Portage.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Rockville to Portage?

The road trip is about 155.9 miles (250.9 km) and usually takes 02h 40m 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?

Kentland is a useful midpoint, sitting about 74.3 miles from Rockville and 81.6 miles from Portage.

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 30.6 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 1:10 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $20.74 one way or $41.48 round trip. Estimated CO2 is about 48.9 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Rockville 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 Rockville and Partly Sunny near Portage.

Stop Ideas Near Kentland

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Kentland, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Kentland.

RAIL

Rensselaer

31 mi away
619 North Cullen Street
RAIL

Gilman

46 mi away
US Hwy 24 & West Wenona St.
RAIL

Kankakee

52 mi away
199 South East Ave.
RAIL

Lafayette station

61 mi away
200 North 2nd St.

Flight Path Map

This map shows the direct air route between Rockville and Portage. Straight-line distance: 125.32 mi (201.68 km).

Rockville

#1 Rockville

Town in Adams Township, Parke County, Indiana, United States

Population2,449
Coordinates39.7625400, -87.2291800
Altitude217
CountryUnited States
Portage

#2 Portage

The second most populous city in Porter County, Indiana.

Population90,543
Coordinates41.5758700, -87.1761500
Altitude194
CountryUnited States
Start: US 36 (-87.229125, 39.762533)
End: Central Avenue (-87.17615, 41.575874)

Estimated Travel Time

Distance: 251 km by road

SpeedTime
30 mph (48.3 km/h)05h 11m
40 mph (64.37 km/h)03h 53m
50 mph (80.47 km/h)03h 07m
60 mph (96.56 km/h)02h 35m
70 mph (112.65 km/h)02h 13m
80 mph (129 km/h)01h 56m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.5 gal
20.82 L · about $20.74
Round trip
$41.48
11 gal · 41.64 L
Estimated CO2
48.9 kg one way
Round trip: 97.8 kg / 216 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $20.74 $41.48
Mid-grade $4.25 $23.39 $46.78
Premium $4.65 $25.60 $51.19
Diesel $5.30 $29.17 $58.34

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

Please keep in mind that there is a 1 hour time gap between Rockville, IN and Portage, IN. The current time in Rockville is 18:17:34, although it is 17:17:34 in Portage.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.