How far is Trenton, NJ from Union, ME?
The driving distance from Trenton, NJ to Union, ME is about 449.8 miles (723.9 km), with a travel time of about 09h 26m by car.
- The straight-line flight distance is about 392.9 miles (632.3 km).
- For a round trip, plan for roughly 18h 53m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
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 09h 26m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Town in Worcester County, Massachusetts, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Trenton and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Trenton and Union.
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1
Start on Chambers Street
2 m · 6 sec · Chambers Street
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2
Turn left onto Hamilton Avenue
2.5 mi · 5 min · Hamilton Avenue
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3
Take the ramp slight right toward I 295 North
1791 ft · 23 sec
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4
Keep slight left to continue on I 295 North
1320 ft · 17 sec
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5
Merge slight left
2.9 mi · 3 min
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6
Take the exit slight right toward US 1: New Brunswick, Trenton
1116 ft · 15 sec
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7
Keep slight right to continue on US 1 North: New Brunswick
2872 ft · 1 min
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8
Merge slight left onto Brunswick Pike
17.1 mi · 24 min · Brunswick Pike
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9
Keep slight left
603 ft · 9 sec
-
10
Keep slight left to continue on Newark|Newark, Camden, New Brunswick|Newark, Camden, New Brunswick
154 m · 8 sec
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11
Keep slight left
112 m · 6 sec
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12
Keep slight left
2.5 mi · 3 min
-
13
Take the exit slight right toward NJ 18 South: East Brunswick
1290 ft · 37 sec
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14
Merge slight left onto State Route 18
2411 ft · 55 sec · State Route 18
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15
Take the exit slight right toward NJTP Toll, I 95 Toll: New Jersey Turnpike
2094 ft · 1 min
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16
Keep slight left to continue on I 95 North, NJTP North: New York City
1498 ft · 36 sec
-
17
Keep slight right
1933 ft · 47 sec
-
18
Merge slight left onto New Jersey Turnpike
22.1 mi · 27 min · New Jersey Turnpike
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19
Keep slight left to continue on New Jersey Turnpike Western Spur
11.3 mi · 15 min · New Jersey Turnpike Western Spur
-
20
Take the exit slight right toward US 46: The Ridgefields, Palisades Park
823 ft · 28 sec
-
21
Keep slight right to continue on US 46 East: Ridgefield, Palisades Park
1233 ft · 42 sec
-
22
Merge slight left
1.5 km · 2 min
-
23
Continue straight
1.8 mi · 3 min
-
24
Take the exit slight left toward George Washington Bridge Upper Level
95 m · 5 sec
-
25
Merge slight left
1649 ft · 20 sec
-
26
Keep slight left
1.3 km · 1 min
-
27
Continue on George Washington Bridge (upper level)
3174 ft · 1 min · George Washington Bridge (upper level)
-
28
Continue on Trans-Manhattan Expressway
1.2 km · 1 min · Trans-Manhattan Expressway
-
29
Continue on Cross Bronx Expressway
4.7 mi · 6 min · Cross Bronx Expressway
-
30
Keep slight left
2.9 mi · 4 min
-
31
Take the exit slight right toward Hutchinson Parkway North
131 m · 15 sec
-
32
Keep slight left to continue on Hutchinson River Parkway North
912 ft · 31 sec
-
33
Merge slight left onto Hutchinson River Parkway
1.5 mi · 2 min · Hutchinson River Parkway
-
34
Take the exit slight right toward I 95 North: New Haven
1570 ft · 44 sec
-
35
Merge slight left onto New England Thruway
40.8 mi · 55 min · New England Thruway
-
36
Take the exit slight right toward CT 25, CT 8: Trumbull, Waterbury
1 km · 1 min
-
37
Continue straight
3.2 mi · 3 min
-
38
Keep slight right to continue on CT 8 North: Waterbury, New Haven
1.8 mi · 2 min
-
39
Take the exit slight right toward CT 15 North: Merritt Parkway, New Haven
1.2 km · 2 min
-
40
Merge slight left onto Merritt Parkway
3 mi · 4 min · Merritt Parkway
-
41
Continue on Wilbur Cross Parkway
30.4 mi · 38 min · Wilbur Cross Parkway
-
42
Continue on Berlin Turnpike
15.7 mi · 20 min · Berlin Turnpike
-
43
Merge slight right
1.4 mi · 2 min
-
44
Keep slight left to continue on I 84 East: Boston
39.7 mi · 46 min
-
45
Merge slight left onto Massachusetts Turnpike
27.4 mi · 32 min · Massachusetts Turnpike
-
46
Take the exit slight right toward I 495: Portsmouth New Hampshire, Taunton
1119 ft · 38 sec
-
47
Keep slight left to continue on I 495 North: Lowell, Portsmouth New Hampshire
1126 ft · 34 sec
-
48
Keep slight left to continue on I 495 North: Lowell, Portsmouth NH
3219 ft · 1 min
-
49
Merge slight left
62.8 mi · 1 hr 13 min
-
50
Merge slight left
6.7 mi · 8 min
-
51
Keep slight left to continue on Blue Star Turnpike
7.8 mi · 9 min · Blue Star Turnpike
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52
Keep slight right to continue on Blue Star Turnpike
46.4 mi · 51 min · Blue Star Turnpike
-
53
Keep slight right to continue on Downtown Portland
51.3 mi · 59 min
-
54
Take the exit slight right toward ME 9, ME 126: Litchfield, Gardiner
1774 ft · 50 sec
-
55
Turn right onto Lewiston Road
1.1 mi · 2 min · Lewiston Road
-
56
Continue on Cobbossee Avenue
1.1 km · 60 sec · Cobbossee Avenue
-
57
Continue on Lewiston Road
642 ft · 11 sec · Lewiston Road
-
58
Continue on Central Street
916 ft · 15 sec · Central Street
-
59
Turn straight onto Water Street
1.4 km · 1 min · Water Street
-
60
Turn left onto Bridge Street
2616 ft · 49 sec · Bridge Street
-
61
At the end of the road, turn right onto Water Street
974 ft · 34 sec · Water Street
-
62
Turn left onto Windsor Street
1.7 mi · 3 min · Windsor Street
-
63
Continue on Togus Road
3.7 mi · 7 min · Togus Road
-
64
At the end of the road, turn right onto Augusta Road
3098 ft · 53 sec · Augusta Road
-
65
Continue on Eastern Avenue
1.1 mi · 2 min · Eastern Avenue
-
66
Continue on Augusta Road
1.5 km · 1 min · Augusta Road
-
67
Continue on Augusta-Rockland Road
4.1 mi · 6 min · Augusta-Rockland Road
-
68
Continue on Rockland Road
1.3 mi · 2 min · Rockland Road
-
69
Continue on Rockland Road
4.9 mi · 7 min · Rockland Road
-
70
Continue on Augusta Road
3.5 mi · 5 min · Augusta Road
-
71
Continue on Rockland Road
2.2 mi · 3 min · Rockland Road
-
72
Continue on Heald Highway
3.3 mi · 5 min · Heald Highway
-
73
Turn right onto Common Road
3192 ft · 1 min · Common Road
-
74
Arrive at your destination
0 m · 1 sec · Common Road
Car Route Details
A richer read on the saved driving route between Trenton and Union.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 495 North
Merge slight left
62.8 mi · 01h 13m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Clear leaving Trenton and Clear near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Trenton to Union?
The road trip is about 449.8 miles (723.9 km) and usually takes 09h 26m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Auburn is a useful midpoint, sitting about 224.3 miles from Trenton and 225.5 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 392.9 miles (632.3 km), while the road route adds roughly 56.9 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 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $70.18 one way or $140.35 round trip. Estimated CO2 is about 141 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Trenton and Clear near Union.
Stop Ideas Near Auburn
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 Auburn.
Union Station
Framingham station
Providence station
Route 128 station
Flight Path Map
This map shows the direct air route between Trenton and Union. Straight-line distance: 392.87 mi (632.27 km).
#1 Trenton
The capital of New Jersey.
| Population | 82,957 |
| Coordinates | 40.2170500, -74.7429400 |
| Altitude | 17 |
| Country | United States |
#2 Union
Town in Knox County, Maine, United States
| Population | 2,275 |
| Coordinates | 44.2114700, -69.2742100 |
| Altitude | 28 |
| Country | United States |
End: Union (-69.27421, 44.21147)
Estimated Travel Time
Distance: 724 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 14h 59m |
| 40 mph (64.37 km/h) | 11h 14m |
| 50 mph (80.47 km/h) | 08h 59m |
| 60 mph (96.56 km/h) | 07h 29m |
| 70 mph (112.65 km/h) | 06h 25m |
| 80 mph (129 km/h) | 05h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.42 | $70.18 | $140.35 |
| Mid-grade | $4.96 | $78.70 | $157.40 |
| Premium | $5.25 | $83.33 | $166.67 |
| Diesel | $6.17 | $97.84 | $195.68 |
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 · Sep 15, 2026