How far is Somerset, NJ from Caldwell, ID?
The driving distance from Somerset, NJ to Caldwell, ID is about 2484.4 miles (3998.3 km), with a travel time of about 43h 15m by car.
- The straight-line flight distance is about 2139.1 miles (3442.5 km).
- For a round trip, plan for roughly 86h 31m 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 43h 15m.
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.
In Nebraska, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Somerset and Caldwell.
Turn-by-Turn Driving Directions
Step-by-step road directions between Somerset and Caldwell.
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1
Start on Mountainview Road
1197 ft · 35 sec · Mountainview Road
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2
At the end of the road, turn left onto River Road
1.4 km · 1 min · River Road
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3
Take the exit slight left
135 m · 13 sec
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4
Enter the roundabout and take exit 2 toward I 295 Toll West: Philadelphia
56 m · 5 sec
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5
Exit the roundabout onto I 295 Toll West: Philadelphia
617 ft · 10 sec
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6
Merge slight left onto Scudder Falls Bridge
1830 ft · 27 sec · Scudder Falls Bridge
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7
Continue on Delaware Expressway
5.2 mi · 7 min · Delaware Expressway
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8
Take the exit slight right toward US 1 South: Langhorne
2457 ft · 1 min
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9
Merge slight left onto Martin Luther King Jr. Expressway
5 mi · 7 min · Martin Luther King Jr. Expressway
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10
Continue on Lincoln Highway
1 mi · 1 min · Lincoln Highway
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11
Take the exit slight right toward I 276 Toll, PATP Toll
1974 ft · 1 min
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12
Keep slight right to continue on I 276 Toll West: Harrisburg, Allentown
872 ft · 27 sec
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13
Merge slight left onto Pennsylvania Turnpike
352.3 mi · 6 hr 22 min · Pennsylvania Turnpike
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14
Continue on Ohio Turnpike
53.8 mi · 59 min · Ohio Turnpike
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15
Keep slight left to continue on Ohio Turnpike
187.4 mi · 3 hr 21 min · Ohio Turnpike
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16
Continue on Indiana Toll Road
135.8 mi · 2 hr 27 min · Indiana Toll Road
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17
Take the exit slight right toward I 80 West, I 94, US 6: Des Moines
3216 ft · 1 min
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18
Keep slight right to continue on I 94 West, I 80 West, SR 51, US 6 East
543 ft · 13 sec
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19
Keep slight left to continue on I 94 West, I 80 West
14.2 mi · 20 min
-
20
Take the exit slight right toward US 41 North: Calumet Avenue, Hammond, Munster
1047 ft · 16 sec
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21
Keep slight left to continue on Calumet Avenue South
1187 ft · 18 sec
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22
Keep slight left
1805 ft · 28 sec
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23
Merge slight left onto Borman Expressway
2724 ft · 42 sec · Borman Expressway
-
24
Continue on Kingery Expressway
1.3 km · 1 min · Kingery Expressway
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25
Take the exit slight right toward IL 394 South, I 94 West: Danville, Chicago
1.5 mi · 2 min
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26
Keep slight left to continue on I 80 West, I 294 North
1703 ft · 26 sec
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27
Merge slight left onto Tri-State Tollway
4.8 mi · 7 min · Tri-State Tollway
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28
Keep slight right to continue on I 80 West: Iowa
145.4 mi · 2 hr 41 min
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29
Keep slight left to continue on I 74 West, I 280 West: Moline, Rock Island
9.6 mi · 10 min
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30
Keep slight left to continue on I 280 West: Des Moines
82 mi · 1 hr 30 min
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31
Continue straight
102 mi · 1 hr 51 min
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32
Keep slight right to continue on I 80 West: Omaha
95.5 mi · 1 hr 43 min
-
33
Keep slight left to continue on I 80 West: Council Bluffs, Omaha Nebraska
23.7 mi · 26 min
-
34
Keep slight left to continue on I 80 West Express: Council Bluffs, Omaha
355.4 mi · 6 hr 3 min
-
35
Keep slight left to continue on I 80 West: Sidney, Cheyanne
535.4 mi · 8 hr 47 min
-
36
Take the exit slight right toward I 84 West: Ogden
1614 ft · 40 sec
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37
Continue straight
77.2 mi · 1 hr 19 min
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38
Keep slight left
95.4 mi · 1 hr 29 min
-
39
Keep slight left to continue on I 86, US 30 West: Twin Falls
193.5 mi · 3 hr 8 min
-
40
Take the exit slight right toward US 20, US 26 East
1207 ft · 36 sec
-
41
Turn left onto Franklin Road
2268 ft · 53 sec · Franklin Road
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42
Continue on North 21st Avenue
3239 ft · 1 min · North 21st Avenue
-
43
Turn right onto Blaine Street
1.3 km · 2 min · Blaine Street
-
44
Turn left onto South 10th Avenue
51 m · 10 sec · South 10th Avenue
-
45
Turn left
21 m · 7 sec
-
46
Turn right
24 m · 6 sec
-
47
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Somerset and Caldwell.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 80 West
Keep slight left to continue on I 80 West: Sidney, Cheyanne
535 mi · 08h 47m
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.
Patchy Fog then Partly Sunny leaving Somerset and Partly Sunny near Caldwell.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Somerset to Caldwell?
The road trip is about 2484.4 miles (3998.3 km) and usually takes 43h 15m 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?
Chalco is a useful midpoint, sitting about 1239.9 miles from Somerset and 1244.5 miles from Caldwell.
How much longer is the road route than the straight-line distance?
The direct path is about 2139.1 miles (3442.5 km), while the road route adds roughly 345.3 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 $358.22 one way or $716.44 round trip. Estimated CO2 is about 779.1 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 2 hour time difference between Somerset and Caldwell, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Patchy Fog then Partly Sunny around Somerset and Partly Sunny near Caldwell.
Stop Ideas Near Chalco
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 Chalco.
Omaha
Lincoln
Flight Path Map
This map shows the direct air route between Somerset and Caldwell. Straight-line distance: 2139.09 mi (3442.54 km).
#1 Somerset
Somerset is a place in New Jersey, United States.
| Population | 0 |
| Coordinates | 40.2762200, -74.8490500 |
| Altitude | 41 |
| Country | United States |
#2 Caldwell
The most populous city in Canyon County, Idaho.
| Population | 58,481 |
| Coordinates | 43.6629400, -116.6873600 |
| Altitude | 724 |
| Country | United States |
End: Caldwell (-116.68736, 43.66294)
Estimated Travel Time
Distance: 3998 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 82h 46m |
| 40 mph (64.37 km/h) | 62h 06m |
| 50 mph (80.47 km/h) | 49h 41m |
| 60 mph (96.56 km/h) | 41h 24m |
| 70 mph (112.65 km/h) | 35h 29m |
| 80 mph (129 km/h) | 30h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $358.22 | $716.44 |
| Mid-grade | $4.60 | $403.19 | $806.39 |
| Premium | $4.95 | $434.32 | $868.63 |
| Diesel | $5.98 | $524.27 | $1,048.53 |
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 · May 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.