How far is Caldwell, ID from Somerset, NJ?
The driving distance from Caldwell, ID to Somerset, NJ is about 2486.4 miles (4001.5 km), with a travel time of about 43h 18m by car.
- The straight-line flight distance is about 2139.1 miles (3442.5 km).
- For a round trip, plan for roughly 86h 36m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM MDT.
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 18m.
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.
Partly Sunny
Patchy Fog then Partly Sunny
Driving Route Map
The map below follows the saved road route between Caldwell and Somerset.
Turn-by-Turn Driving Directions
Step-by-step road directions between Caldwell and Somerset.
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1
Start on the route
28 m · 12 sec
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2
Turn left onto Cleveland Boulevard
22 m · 4 sec · Cleveland Boulevard
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3
Turn right
43 m · 13 sec
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4
Turn right
46 m · 13 sec
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5
Turn right onto South 10th Avenue
1.1 km · 2 min · South 10th Avenue
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6
Take the ramp slight right
2822 ft · 1 min
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7
Merge slight left onto Vietnam Veterans Memorial Highway
20.9 mi · 24 min · Vietnam Veterans Memorial Highway
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8
Keep slight right to continue on Vietnam Veterans Memorial Highway
172.3 mi · 2 hr 43 min · Vietnam Veterans Memorial Highway
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9
Take the exit slight right
134.8 mi · 2 hr 8 min
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10
Keep slight right to continue on Cheyenne
39.1 mi · 41 min
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11
Keep slight left to continue on I 80 East: Cheyenne
2247 ft · 55 sec
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12
Merge slight left onto Dwight D. Eisenhower Highway
388.3 mi · 6 hr 21 min · Dwight D. Eisenhower Highway
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13
Continue on Purple Heart Trail
621 mi · 10 hr 36 min · Purple Heart Trail
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14
Keep slight right to continue on I 35, I 80 East: Chicago, Minneapolis, Kansas City
14.4 mi · 17 min
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15
Keep slight left
152.3 mi · 2 hr 45 min
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16
Take the exit slight right toward I 280 East, US 6 East, US 61 South: Rock Island, Moline
13.2 mi · 16 min
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17
Continue straight
13.9 mi · 15 min
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18
Keep slight left
2239 ft · 27 sec
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19
Merge slight left
144.9 mi · 2 hr 40 min
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20
Keep slight left
23.6 mi · 32 min
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21
Take the exit slight right toward I 80 East, I 90
1.4 km · 2 min
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22
Keep slight right to continue on I 80 East, I 90 East: Ohio, Indiana Toll Road East
1438 ft · 49 sec
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23
Merge slight left onto Indiana Toll Road
135.9 mi · 2 hr 27 min · Indiana Toll Road
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24
Continue on Ohio Turnpike
141.9 mi · 2 hr 32 min · Ohio Turnpike
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25
Keep slight left to continue on Ohio Turnpike
9.2 mi · 10 min · Ohio Turnpike
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26
Keep slight left to continue on Ohio Turnpike
90.1 mi · 1 hr 37 min · Ohio Turnpike
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27
Continue on Pennsylvania Turnpike
352.2 mi · 6 hr 22 min · Pennsylvania Turnpike
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28
Take the exit slight right toward US 1: Philadelphia, Trenton
3046 ft · 2 min
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29
Keep slight left to continue on US 1 North: Trenton, Princeton
2491 ft · 1 min
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30
Merge slight left onto Lincoln Highway
1.6 km · 1 min · Lincoln Highway
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31
Continue on Martin Luther King Jr. Expressway
5.2 mi · 7 min · Martin Luther King Jr. Expressway
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32
Take the exit slight right toward I 295 East: Princeton
1510 ft · 37 sec
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33
Merge slight left onto Delaware Expressway
5.5 mi · 8 min · Delaware Expressway
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34
Continue on Scudder Falls Bridge
1712 ft · 27 sec · Scudder Falls Bridge
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35
Take the exit slight right toward NJ 29: Lambertville, Trenton
866 ft · 37 sec
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36
Keep slight right to continue on NJ 29 North: Lambertville
1338 ft · 44 sec
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37
Enter the roundabout and take exit 2 toward the route
47 m · 4 sec
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38
Exit the roundabout
130 m · 13 sec
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39
Merge slight right onto River Road
1.4 km · 1 min · River Road
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40
Turn right onto Mountainview Road
1197 ft · 33 sec · Mountainview Road
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41
Arrive at your destination
0 m · 1 sec · Mountainview Road
Car Route Details
A richer read on the saved driving route between Caldwell and Somerset.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Purple Heart Trail
Continue on Purple Heart Trail
621 mi · 10h 36m
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.
Partly Sunny leaving Caldwell and Patchy Fog then Partly Sunny near Somerset.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Caldwell to Somerset?
The road trip is about 2486.4 miles (4001.5 km) and usually takes 43h 18m 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 1240.9 miles from Caldwell and 1245.5 miles from Somerset.
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 347.3 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 MDT. 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 $341.57 one way or $683.14 round trip. Estimated CO2 is about 779.7 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 2 hour time difference between Caldwell and Somerset, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Partly Sunny around Caldwell and Patchy Fog then Partly Sunny near Somerset.
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 Caldwell and Somerset. Straight-line distance: 2139.09 mi (3442.54 km).
#1 Caldwell
The most populous city in Canyon County, Idaho.
| Population | 58,481 |
| Coordinates | 43.6629400, -116.6873600 |
| Altitude | 724 |
| Country | United States |
#2 Somerset
Somerset is a place in New Jersey, United States.
| Population | 0 |
| Coordinates | 40.2762200, -74.8490500 |
| Altitude | 41 |
| Country | United States |
End: Somerset (-74.84905, 40.27622)
Estimated Travel Time
Distance: 4001 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 82h 50m |
| 40 mph (64.37 km/h) | 62h 09m |
| 50 mph (80.47 km/h) | 49h 43m |
| 60 mph (96.56 km/h) | 41h 26m |
| 70 mph (112.65 km/h) | 35h 31m |
| 80 mph (129 km/h) | 31h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $341.57 | $683.14 |
| Mid-grade | $4.23 | $371.23 | $742.46 |
| Premium | $4.55 | $399.13 | $798.26 |
| Diesel | $5.41 | $474.85 | $949.70 |
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 Idaho · 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.