How far is Union, ME from Trenton, NJ?

The driving distance from Union, ME to Trenton, NJ is about 448.7 miles (722.1 km), with a travel time of about 09h 27m by car.

  • The straight-line flight distance is about 392.9 miles (632.3 km).
  • For a round trip, plan for roughly 18h 54m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
448.67 mi
09h 27m
Flight
392.87 mi
632.27 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Union.

Flight Distance

Direct air line
392.87 mi
Kilometers
632.27 km
Flight Time
00h 47m

Driving Distance

Road route
448.67 mi
Kilometers
722.06 km
Drive Time
09h 27m

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 27m.

Arrival Snapshot
Arrive in Trenton
Wed, Sep 16, 4:57 AM EDT
Return by in Union
Wed, Sep 16, 2:24 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Union
2026-09-15T19:29
Arrive Trenton
Wed, Sep 16, 4:57 AM EDT
Route Timing
09h 27m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
3:27 PM to 4:57 PM EDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
5:06 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Union
8:00 PM EDT
Overnight-style route

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
Charlton
MA

Town in Worcester County, Massachusetts, United States of America

From Union
223.3 mi
04h 43m
To Trenton
225.4 mi
04h 43m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
44°F
Overnight

Clear

Starts
Tue, Sep 15 3:00 AM EDT
Wind
5 mph N
Destination
54°F
Overnight

Mostly Clear

Starts
Tue, Sep 15 3:00 AM EDT
Wind
5 mph N

Driving Route Map

The map below follows the saved road route between Union and Trenton.

Turn-by-Turn Driving Directions

Step-by-step road directions between Union and Trenton.

  1. 1

    Start on Common Road

    3192 ft · 2 min · Common Road

  2. 2

    At the end of the road, turn left onto Heald Highway

    3.3 mi · 5 min · Heald Highway

  3. 3

    Continue on Rockland Road

    2.2 mi · 3 min · Rockland Road

  4. 4

    Continue on Augusta Road

    3.5 mi · 5 min · Augusta Road

  5. 5

    Continue on Rockland Road

    6.2 mi · 9 min · Rockland Road

  6. 6

    Continue on Augusta-Rockland Road

    4.1 mi · 6 min · Augusta-Rockland Road

  7. 7

    Continue on Augusta Road

    1.5 km · 1 min · Augusta Road

  8. 8

    Continue on Eastern Avenue

    1.1 mi · 2 min · Eastern Avenue

  9. 9

    Continue on Augusta Road

    3098 ft · 59 sec · Augusta Road

  10. 10

    Turn left onto Togus Road

    3.7 mi · 7 min · Togus Road

  11. 11

    Continue on Windsor Street

    1.7 mi · 3 min · Windsor Street

  12. 12

    Turn right onto Water Street

    1025 ft · 35 sec · Water Street

  13. 13

    Turn left onto Bridge Street

    2616 ft · 48 sec · Bridge Street

  14. 14

    Continue on Brunswick Avenue

    4.8 mi · 7 min · Brunswick Avenue

  15. 15

    Take the ramp left

    1832 ft · 45 sec

  16. 16

    Merge slight left

    46.8 mi · 54 min

  17. 17

    Keep slight left

    2.6 mi · 4 min

  18. 18

    Merge slight left onto Maine Turnpike

    53 mi · 59 min · Maine Turnpike

  19. 19

    Keep slight left to continue on Blue Star Turnpike

    7.7 mi · 9 min · Blue Star Turnpike

  20. 20

    Keep slight right to continue on I 495 South: Worcester

    30.6 mi · 36 min

  21. 21

    Take the exit slight right toward US 3: Burlington, Nashua New Hampshire

    1068 ft · 14 sec

  22. 22

    Keep slight left to continue on US 3: Burlington, Nashua New Hampshire

    1320 ft · 17 sec

  23. 23

    Keep slight left

    1931 ft · 25 sec

  24. 24

    Keep slight left to continue on I 495 South: Marlboro

    2589 ft · 34 sec

  25. 25

    Merge slight left

    23.4 mi · 27 min

  26. 26

    Take the exit slight right toward I 290 West: Worcester

    2148 ft · 1 min

  27. 27

    Merge slight left

    19.6 mi · 25 min

  28. 28

    Take the exit slight right toward MA 12 South: Webster

    703 ft · 23 sec

  29. 29

    Turn left onto Oxford Street

    142 m · 10 sec · Oxford Street

  30. 30

    At the end of the road, turn right onto Southbridge Street

    136 m · 10 sec · Southbridge Street

  31. 31

    Take the exit slight right toward I 90

    2072 ft · 1 min

  32. 32

    Keep slight left to continue on I 90 West

    2915 ft · 1 min

  33. 33

    Merge slight left onto Massachusetts Turnpike

    11.2 mi · 13 min · Massachusetts Turnpike

  34. 34

    Keep slight right to continue on Wilbur Cross Highway

    33.6 mi · 40 min · Wilbur Cross Highway

  35. 35

    Keep slight right

    8 mi · 9 min

  36. 36

    Keep slight left to continue on CT 15 South: New York City

    1.9 mi · 3 min

  37. 37

    Take the exit slight right toward I 91 South: New Haven, New York City

    3154 ft · 54 sec

  38. 38

    Merge slight right

    16.5 mi · 20 min

  39. 39

    Take the exit slight right toward CT 15 South

    1825 ft · 35 sec

  40. 40

    Keep slight left to continue on CT 15 South

    133 m · 8 sec

  41. 41

    Merge slight left

    29.8 mi · 37 min

  42. 42

    Take the exit slight right toward CT 8, CT 108: Bridgeport, Waterbury

    1242 ft · 24 sec

  43. 43

    Keep slight left to continue on CT 8 South, CT 108 South: Bridgeport

    2228 ft · 48 sec

  44. 44

    Keep slight left to continue on CT 8 South: Bridgeport

    1.2 km · 2 min

  45. 45

    Merge slight left

    4.5 mi · 5 min

  46. 46

    Keep slight right to continue on I 95 South: New York City

    1719 ft · 42 sec

  47. 47

    Merge slight left

    29.3 mi · 40 min

  48. 48

    Keep slight left to continue on New England Thruway

    14.3 mi · 20 min · New England Thruway

  49. 49

    Continue on Bruckner Expressway

    1.3 mi · 2 min · Bruckner Expressway

  50. 50

    Keep slight right to continue on Bruckner Expressway

    3150 ft · 54 sec · Bruckner Expressway

  51. 51

    Keep slight right to continue on I 95 South, to I 678 South: Cross Bronx Expressway, George Washington Bridge, Newark, Whitestone Bridge

    5.4 mi · 7 min

  52. 52

    Keep slight left to continue on Trans-Manhattan Expressway

    1.1 km · 1 min · Trans-Manhattan Expressway

  53. 53

    Continue on George Washington Bridge (upper level)

    3167 ft · 60 sec · George Washington Bridge (upper level)

  54. 54

    Continue straight

    2659 ft · 48 sec

  55. 55

    Keep slight left

    3214 ft · 39 sec

  56. 56

    Keep slight left

    2.7 mi · 4 min

  57. 57

    Keep slight right to continue on I 95 South, NJTP South: Newark

    1858 ft · 29 sec

  58. 58

    Merge slight right onto New Jersey Turnpike

    2 mi · 3 min · New Jersey Turnpike

  59. 59

    Keep slight left to continue on New Jersey Turnpike Western Spur

    2.6 mi · 4 min · New Jersey Turnpike Western Spur

  60. 60

    Take the exit slight left

    2790 ft · 43 sec

  61. 61

    Merge slight right onto New Jersey Turnpike Western Spur

    7.4 mi · 10 min · New Jersey Turnpike Western Spur

  62. 62

    Keep slight left to continue on New Jersey Turnpike Western Spur

    22.2 mi · 27 min · New Jersey Turnpike Western Spur

  63. 63

    Take the exit slight right toward NJ 18 East, US 1 East: New Brunswick

    1.1 km · 1 min

  64. 64

    Keep slight right to continue on NJ 18 North: New Brunswick, Rutgers University

    1148 ft · 28 sec

  65. 65

    Keep slight left to continue on NJ 18 North: New Brunswick, Rutgers University

    99 m · 8 sec

  66. 66

    Merge slight left onto State Route 18

    2284 ft · 51 sec · State Route 18

  67. 67

    Take the exit slight right toward US 1 South: Princeton, Trenton

    1887 ft · 2 min

  68. 68

    Merge slight left

    2.4 mi · 3 min

  69. 69

    Continue straight

    634 ft · 10 sec

  70. 70

    Keep slight left

    84 m · 4 sec

  71. 71

    Keep slight left

    118 m · 6 sec

  72. 72

    Keep slight left

    3.6 mi · 5 min

  73. 73

    Continue straight

    13.9 mi · 20 min

  74. 74

    Take the exit slight right

    975 ft · 15 sec

  75. 75

    Keep slight left

    2012 ft · 31 sec

  76. 76

    Merge slight left onto Brunswick Pike

    1.4 km · 1 min · Brunswick Pike

  77. 77

    Continue on Trenton Freeway

    3 mi · 4 min · Trenton Freeway

  78. 78

    Take the exit slight right toward Olden Avenue, New York Avenue

    145 m · 14 sec

  79. 79

    At the end of the road, turn left onto New York Avenue

    147 m · 14 sec · New York Avenue

  80. 80

    Turn left onto North Olden Avenue

    1.4 mi · 3 min · North Olden Avenue

  81. 81

    Turn right onto Hamilton Avenue

    2992 ft · 1 min · Hamilton Avenue

  82. 82

    Turn right onto Chambers Street

    2 m · 1 sec · Chambers Street

  83. 83

    Arrive at your destination

    0 m · 1 sec · Chambers Street

Car Route Details

A richer read on the saved driving route between Union and Trenton.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
83 steps
17 turns on the saved route
Ramps & Exits
27
14 merges, 13 ramps or exits
Navigation Density
18.5 / 100 mi
Decision points by distance
Main Roads
Brunswick Avenue
54.6 mi · 12%
I 495 South
54.5 mi · 12%
Maine Turnpike
53 mi · 12%
Wilbur Cross Highway
41.6 mi · 9%
I 95 South
35.4 mi · 8%
New Jersey Turnpike Western Spur
32.8 mi · 7%
Longest Stretch

Maine Turnpike

Merge slight left onto Maine Turnpike

53 mi · 00h 59m

Route Summary

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

Trip Read

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.

Drive Time
09h 27m
Overnight route
Same-Day Return
18h 54m
Round-trip wheel time
Road vs Air
+55.8 mi
392.9 mi direct line
Halfway Stop
Charlton
04h 43m from Union
Leave By
5:06 PM EDT
Overnight-style route
Weather Watch

Clear leaving Union and Mostly Clear near Trenton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Union to Trenton?

The road trip is about 448.7 miles (722.1 km) and usually takes 09h 27m 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?

Charlton is a useful midpoint, sitting about 223.3 miles from Union and 225.4 miles from Trenton.

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 55.8 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 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 $68.40 one way or $136.80 round trip. Estimated CO2 is about 140.7 kg one way.

What should you check before leaving?

Before you leave, expect Clear around Union and Mostly Clear near Trenton.

Stop Ideas Near Charlton

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

Mid-route Guidance
Local place coverage is thin around Charlton, 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 Charlton.

RAIL

Union Station

20 mi away
2 Washington Square
RAIL

Framingham station

48 mi away
417 Waverly St.
RAIL

Amherst, Massachusetts

52 mi away
13 Railroad St.
RAIL

Springfield Union Station

52 mi away
66 Lyman St.

Flight Path Map

This map shows the direct air route between Union and Trenton. Straight-line distance: 392.87 mi (632.27 km).

Union

#1 Union

Town in Knox County, Maine, United States

Population2,275
Coordinates44.2114700, -69.2742100
Altitude28
CountryUnited States
Trenton

#2 Trenton

The capital of New Jersey.

Population82,957
Coordinates40.2170500, -74.7429400
Altitude17
CountryUnited States
Start: Union (-69.27421, 44.21147)
End: Trenton (-74.74294, 40.21705)

Estimated Travel Time

Distance: 722 km by road

SpeedTime
30 mph (48.3 km/h)14h 56m
40 mph (64.37 km/h)11h 13m
50 mph (80.47 km/h)08h 58m
60 mph (96.56 km/h)07h 28m
70 mph (112.65 km/h)06h 24m
80 mph (129 km/h)05h 35m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.83 gal
59.93 L · about $68.40
Round trip
$136.80
31.66 gal · 119.86 L
Estimated CO2
140.7 kg one way
Round trip: 281.4 kg / 620 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.32 $68.40 $136.80
Mid-grade $4.86 $76.90 $153.80
Premium $5.32 $84.25 $168.49
Diesel $6.22 $98.51 $197.02

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 Maine · Sep 15, 2026

There is no time difference between Union and Trenton. The current time is 19:29:56.

Distance to Other Cities

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