Trip from Slippery Rock, PA to Millerstown, PA

Q: What are the main roads on this route?

The main roads are Chicora Road, William Flinn Highway, North Main Street. Expect a mix of highway and local road driving.

Q: Is this a good same-day trip?

This is a comfortable same-day trip.

Q: Where should I stop halfway?

The midpoint is about 13.9 miles from Slippery Rock, PA. Look for rest areas, gas stations, or food options near the halfway mark.

Q: How much does gas cost for this trip?

At current regular gas prices, expect to spend about $4.61 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Q: What is the best time to leave?

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

Q: What towns show up on signs driving from Slippery Rock, PA to Millerstown, PA?

The route from Slippery Rock, PA to Millerstown, PA does not surface many named destination signs beyond the main corridor.

Last recalculated Apr 16, 2026

Drive Time

43m

Distance

27.8 mi

45 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$5

one way

EV Charging

Unknown

Best Time to Leave

Save up to 11 min

4 AM

0h 40m ★

6 AM

0h 44m

8 AM

0h 51m

10 AM

0h 46m

12 PM

0h 45m

3 PM

0h 46m

5 PM

0h 50m

8 PM

0h 41m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time Drive vs Fly

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Trip Overview

The drive from Slippery Rock, PA to Millerstown, PA covers 27.8 miles and takes about 43m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on Chicora Road, William Flinn Highway, North Main Street for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 9.6 miles on Chicora Road. At current regular gas prices, budget about $4.61 one way before food or hotel costs.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 43m. Total distance: 27.8 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

43m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (0%). Some complex stretches to watch for.

Scenic Drive

Turn-heavy local drive route profile.

Drive Character

Expect a 43m drive with frequent turns across 27.8 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.

There are about 14 navigation steps in the underlying route data, so the final approach matters more than the middle miles.

Chicora Road is the longest continuous segment at about 9.6 miles.

How Hard Is This Drive?

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 8 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near PA 173 / South Main Street.

Driving Effort 5/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 27.8 miles you will encounter 8 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: near the start (PA 173 / South Main Street): Lane positioning matters here; at 4.6 miles (PA 8 / William Flinn Highway): Lane positioning matters here; at 15.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

Critical Maneuvers

5 of 8 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

4

0 mi into trip | ~0m in | PA 173 / South Main Street

Depart onto PA 173 / South Main Street

Lane positioning matters here

Use the straight / right lanes.

3

4.6 mi into trip | ~7m in | PA 8 / William Flinn Highway

Turn straight onto PA 8 / William Flinn Highway

Lane positioning matters here

Use the straight / right lanes.

6

15.7 mi into trip | ~23m in

Take the exit toward US 422 East: Kittanning

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the slight right lane. Toward US 422 East: Kittanning

3

15.9 mi into trip | ~24m in | US 422 / Benjamin Franklin Highway

Merge onto US 422 / Benjamin Franklin Highway

Merge point - match speed before joining

4

27.2 mi into trip | ~41m in | West Slippery Rock Street

Turn left onto West Slippery Rock Street

Navigation decision point

Main Roads

Road	Distance	Duration
Chicora Road	9.6 mi	14m
William Flinn Highway	7.1 mi	9m
North Main Street	4 mi	6m
Centreville Pike	4 mi	5m
Benjamin Franklin Highway	1.3 mi	1m
South Main Street	0.8 mi	2m
West Slippery Rock Street	0.6 mi	2m
East Jefferson Street	0.1 mi	<1m

Longest stretch: Chicora Road — 9.6 mi, about 14m

Turn-by-Turn Driving Directions

Step-by-step road directions between Slippery Rock, PA and Millerstown, PA.

1

Start on PA 173

0.6 mi · 1 min · South Main Street

Use the straight / right lanes.

2

Continue on PA 173

4.0 mi · 5 min · Centreville Pike

3

Turn slight right

323 ft · 5 sec

4

Turn straight onto PA 8

7.1 mi · 9 min · William Flinn Highway

Use the straight / right lanes.

5

Continue on PA 8

4.0 mi · 6 min · North Main Street

Use the straight / right lanes.

6

Take the exit

0.2 mi · 23 sec

Toward US 422 East: Kittanning Use the slight right lane.

7

Merge onto US 422

1.3 mi · 1 min · Benjamin Franklin Highway

8

Take the exit

0.1 mi · 17 sec

9

Turn left onto PA 68

0.1 mi · 20 sec · East Jefferson Street

10

Continue on PA 68

9.6 mi · 14 min · Chicora Road

11

Continue on PA 68

0.2 mi · 19 sec · South Main Street

12

Turn left onto West Slippery Rock Street

0.6 mi · 2 min · West Slippery Rock Street

13

Turn right onto Central Avenue

79 ft · 3 sec · Central Avenue

14

Arrive at destination

Central Avenue

Fuel & Cost

Regular Gas

$4.61 one way

$9.22 round trip

$4.21/gal 25.4 MPG avg 10 kg CO₂

Fuel Type	$/gal	One Way	Round Trip
midgrade	$4.61	$5.05	$10.10
premium	$4.93	$5.39	$10.78
diesel	$5.61	$6.14	$12.28

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$5

Estimated CO2 emission: 9.7 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $3 in charging · 0 stops · 70% less CO₂

Vehicle Type	kWh	DC Fast	Home Charge
Average EV	8.3	$2.92	$1.33
Efficient EV	7	$2.43	$1.11
EV Truck/SUV	11.1	$3.89	$1.78

Gas CO2

10 kg

EV CO2

3 kg (70% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 15, 2026

Origin

Slippery Rock, PA

Morning in Slippery Rock on Thursday

Local time

11:33 AM

EDT

Current temp

46°F

Unavailable

Live forecast

Destination

Millerstown, PA

Morning in Millerstown on Thursday

Local time

11:33 AM

EDT

Current temp

54°F

Unavailable

Live forecast

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

8 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

43m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Slippery Rock, PA to Millerstown, PA covers 27.8 miles and takes about 43m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are Chicora Road, William Flinn Highway, North Main Street. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 13.9 miles from Slippery Rock, PA. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $4.61 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

This drive requires moderate attention. Across 27.8 miles you will encounter 8 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

The main spots that need attention: near the start (PA 173 / South Main Street): Lane positioning matters here; at 4.6 miles (PA 8 / William Flinn Highway): Lane positioning matters here; at 15.7 miles: Exit ramp - move to the correct lane early. Lane positioning matters here.

The route from Slippery Rock, PA to Millerstown, PA does not surface many named destination signs beyond the main corridor.

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