How far is Sun Valley, PA from Allentown, PA?
The driving distance from Sun Valley, PA to Allentown, PA is about 42.5 miles (68.4 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 25.8 miles (41.6 km).
- For a round trip, plan for roughly 01h 49m 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 00h 54m.
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.
Census-designated place in Pennsylvania, United States of America
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 Sun Valley and Allentown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sun Valley and Allentown.
-
1
Start on Bluegrass Lane
2155 ft · 2 min · Bluegrass Lane
-
2
Turn left onto Toll Road
1 mi · 2 min · Toll Road
-
3
Continue on Merwinsburg Road
2 mi · 5 min · Merwinsburg Road
-
4
At the end of the road, turn right
2.9 mi · 5 min
-
5
Enter the roundabout and take exit 3 toward the route
81 m · 3 sec
-
6
Exit the roundabout
2.1 mi · 4 min
-
7
Take the exit slight right
618 ft · 27 sec
-
8
Turn straight onto Old Route 115
3.3 mi · 5 min · Old Route 115
-
9
Take the ramp left
782 ft · 19 sec
-
10
Merge slight left
15.6 mi · 19 min
-
11
Take the exit slight right toward US 22 West: Bethlehem, Allentown
1 km · 1 min
-
12
Merge slight left onto Lehigh Valley Thruway
10.5 mi · 14 min · Lehigh Valley Thruway
-
13
Take the exit slight right toward PA 145
981 ft · 35 sec
-
14
Keep slight left to continue on PA 145 South
54 m · 8 sec
-
15
Turn left onto MacArthur Road
534 ft · 17 sec · MacArthur Road
-
16
Continue on MacArthur Road
1.1 km · 1 min · MacArthur Road
-
17
Continue on North 7th Street
2066 ft · 43 sec · North 7th Street
-
18
Turn right onto Tilghman Street
1.2 km · 1 min · Tilghman Street
-
19
Arrive at your destination
0 m · 1 sec · Tilghman Street
Car Route Details
A richer read on the saved driving route between Sun Valley and Allentown.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Old Route 115
Merge slight left
15.6 mi · 00h 19m
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.
Sunny leaving Sun Valley and Mostly Sunny near Allentown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sun Valley to Allentown?
The road trip is about 42.5 miles (68.4 km) and usually takes 00h 54m 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?
Belfast is a useful midpoint, sitting about 20.5 miles from Sun Valley and 22 miles from Allentown.
How much longer is the road route than the straight-line distance?
The direct path is about 25.8 miles (41.6 km), while the road route adds roughly 16.7 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 4:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.70 one way or $13.39 round trip. Estimated CO2 is about 13.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Sun Valley and Mostly Sunny near Allentown.
Stop Ideas Near Belfast
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 Belfast.
White Haven, PA
Wilkes-Barre, PA
Princeton Junction station
Scranton, PA
Flight Path Map
This map shows the direct air route between Sun Valley and Allentown. Straight-line distance: 25.84 mi (41.59 km).
#1 Sun Valley
Situated within the rugged terrain of Monroe County in eastern Pennsylvania, this community rests at an average elevation of approximately 1184 feet.
| Population | 0 |
| Coordinates | 40.9820300, -75.4660200 |
| Altitude | 361 |
| Country | United States |
#2 Allentown
The third most populous city in Pennsylvania.
| Population | 121,470 |
| Coordinates | 40.6084300, -75.4901800 |
| Altitude | 103 |
| Country | United States |
End: Tilghman Street (-75.490007, 40.608068)
Estimated Travel Time
Distance: 68 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 24m |
| 40 mph (64.37 km/h) | 01h 03m |
| 50 mph (80.47 km/h) | 00h 50m |
| 60 mph (96.56 km/h) | 00h 42m |
| 70 mph (112.65 km/h) | 00h 36m |
| 80 mph (129 km/h) | 00h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.46 | $6.70 | $13.39 |
| Mid-grade | $4.93 | $7.39 | $14.77 |
| Premium | $5.31 | $7.96 | $15.92 |
| Diesel | $6.55 | $9.83 | $19.65 |
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 Pennsylvania · Oct 15, 2026