How far is Union, NJ from Blairstown, NJ?
The driving distance from Union, NJ to Blairstown, NJ is about 52.2 miles (84 km), with a travel time of about 01h 13m by car.
- The straight-line flight distance is about 41.4 miles (66.7 km).
- For a round trip, plan for roughly 02h 27m 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 01h 13m.
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.
Township of New Jersey
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Driving Route Map
The map below follows the saved road route between Union and Blairstown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Blairstown.
-
1
Start on Harding Avenue
74 m · 12 sec · Harding Avenue
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2
Turn right onto Vauxhall Road
2 mi · 5 min · Vauxhall Road
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3
Turn left onto Springfield Avenue
3245 ft · 1 min · Springfield Avenue
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4
Take the ramp straight toward NJ 24 West: Morristown
1875 ft · 1 min
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5
Merge slight left onto Phillipsburg-Newark Expressway
1.5 km · 1 min · Phillipsburg-Newark Expressway
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6
Keep slight right to continue on NJ 24 West: Springfield, Morristown
1798 ft · 34 sec
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7
Continue straight
9.4 mi · 11 min
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8
Keep slight right to continue on I 287 North: Mahwah
2647 ft · 57 sec
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9
Merge slight left
1.5 km · 1 min
-
10
Take the exit slight right toward NJ 10: Dover, Whippany
1161 ft · 28 sec
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11
Keep slight left to continue on NJ 10 West: Dover
2876 ft · 1 min
-
12
Continue straight
12.8 mi · 18 min
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13
Continue straight
1.2 mi · 1 min
-
14
Take the exit straight toward I 80 West
2295 ft · 57 sec
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15
Merge slight left onto Christopher Columbus Highway
16.4 mi · 19 min · Christopher Columbus Highway
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16
Take the exit slight right toward CR 521: Hope, Blairstown
1135 ft · 28 sec
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17
Keep slight right to continue on СR 521 North: Blairstown, Blair Academy
546 ft · 13 sec
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18
Turn straight onto Hope - Blairstown Road
1.4 km · 1 min · Hope - Blairstown Road
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19
Continue on Hope - Blairstorm Road
2237 ft · 42 sec · Hope - Blairstorm Road
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20
Continue on Hope Road
3.5 mi · 6 min · Hope Road
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21
At the end of the road, turn left
2207 ft · 55 sec
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22
Turn right onto Carhart Street
119 m · 17 sec · Carhart Street
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23
Arrive at your destination
0 m · 1 sec · Carhart Street
Car Route Details
A richer read on the saved driving route between Union and Blairstown.
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.
Christopher Columbus Highway
Merge slight left onto Christopher Columbus Highway
16.4 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.
Partly Sunny leaving Union and Partly Sunny near Blairstown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Blairstown?
The road trip is about 52.2 miles (84 km) and usually takes 01h 13m 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?
Mine Hill is a useful midpoint, sitting about 26.1 miles from Union and 26.2 miles from Blairstown.
How much longer is the road route than the straight-line distance?
The direct path is about 41.4 miles (66.7 km), while the road route adds roughly 10.8 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 4:02 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.52 one way or $15.04 round trip. Estimated CO2 is about 16.4 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Union and Partly Sunny near Blairstown.
Stop Ideas Near Mine Hill
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 Mine Hill.
Newark Liberty International Airport
Pennsylvania Station
Metropark station
New Brunswick station
Flight Path Map
This map shows the direct air route between Union and Blairstown. Straight-line distance: 41.43 mi (66.68 km).
#1 Union
A city in Union County, New Jersey.
| Population | 67,137 |
| Coordinates | 40.6976000, -74.2632000 |
| Altitude | 30 |
| Country | United States |
#2 Blairstown
Township in Warren County, New Jersey, United States of America
| Population | 5,701 |
| Coordinates | 40.9828800, -74.9604500 |
| Altitude | 108 |
| Country | United States |
End: Blairstown (-74.96045, 40.98288)
Estimated Travel Time
Distance: 84 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 44m |
| 40 mph (64.37 km/h) | 01h 18m |
| 50 mph (80.47 km/h) | 01h 02m |
| 60 mph (96.56 km/h) | 00h 52m |
| 70 mph (112.65 km/h) | 00h 44m |
| 80 mph (129 km/h) | 00h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $7.52 | $15.04 |
| Mid-grade | $4.60 | $8.46 | $16.92 |
| Premium | $4.95 | $9.12 | $18.23 |
| Diesel | $5.98 | $11.00 | $22.01 |
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 New Jersey · Apr 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.