How far is Union, NJ from Wentzville, MO?
The driving distance from Union, NJ to Wentzville, MO is about 969.5 miles (1560.2 km), with a travel time of about 18h 38m by car.
- The straight-line flight distance is about 889.4 miles (1431.4 km).
- For a round trip, plan for roughly 37h 17m 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 18h 38m.
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.
Human settlement in Jefferson County, Ohio, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Chance Showers And Thunderstorms
Partly Sunny
Driving Route Map
The map below follows the saved road route between Union and Wentzville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Wentzville.
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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
Continue on Springfield Avenue
149 m · 10 sec · Springfield Avenue
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5
Take the ramp slight right toward I 78 West: Clinton
1630 ft · 41 sec
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6
Merge slight left onto Phillipsburg-Newark Expressway
50.3 mi · 58 min · Phillipsburg-Newark Expressway
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7
Continue on Interstate 78 Toll Bridge
23.4 mi · 29 min · Interstate 78 Toll Bridge
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8
Keep slight left to continue on I 78 West: Harrisburg
53.3 mi · 1 hr 4 min
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9
Keep slight left to continue on I 81 South: Harrisburg
1.1 km · 49 sec
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10
Merge slight left
36.6 mi · 44 min
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11
Take the exit slight right toward US 11: New Kingstown, Middlesex
1419 ft · 49 sec
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12
Keep slight right to continue on US 11 South
61 m · 8 sec
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13
Merge slight left onto Harrisburg Pike
1.6 km · 2 min · Harrisburg Pike
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14
Take the exit straight toward I 76, PATP
2453 ft · 1 min
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15
Keep slight right to continue on I 76 West: Pittsburgh
1304 ft · 37 sec
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16
Merge slight left onto Pennsylvania Turnpike
151.8 mi · 2 hr 47 min · Pennsylvania Turnpike
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17
Take the exit slight right toward I 70 West, US 119, PA Turnpike 66 Toll: Greensburg, Wheeling WV, New Stanton
2253 ft · 55 sec
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18
Keep slight right to continue on I 70 West: New Stanton, Washington PA, Wheeling WV, Columbus OH
66.8 mi · 1 hr 27 min
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19
Keep slight left to continue on USS West Virginia Memorial Highway
3.2 mi · 4 min · USS West Virginia Memorial Highway
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20
Continue on Vietnam Veterans Memorial Bridge
7.8 mi · 9 min · Vietnam Veterans Memorial Bridge
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21
Merge slight left
119.4 mi · 2 hr 11 min
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22
Keep slight left to continue on South Innerbelt
1.5 km · 1 min · South Innerbelt
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23
Continue on West Freeway
174.3 mi · 3 hr 18 min · West Freeway
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24
Keep slight right to continue on I 70: St Louis, Indianapolis International Airport
144.5 mi · 2 hr 40 min
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25
Keep slight right to continue on I 70 West: Saint Louis
76.8 mi · 1 hr 23 min
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26
Keep slight right to continue on I 270 West, I 55 North: Kansas City, Chicago
29.7 mi · 37 min
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27
Take the exit slight right toward I 70: Saint Louis, Kansas City
1492 ft · 26 sec
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28
Continue on I 70: Saint Louis, Kansas City
2478 ft · 43 sec
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29
Keep slight right to continue on I 70 West: Kansas City
2439 ft · 42 sec
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30
Merge slight left
22.7 mi · 28 min
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31
Take the exit slight right toward MO Z
812 ft · 23 sec
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32
Enter the roundabout and take exit 1 toward South Church Street
6 m · 1 sec · South Church Street
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33
Exit the roundabout onto South Church Street
1037 ft · 39 sec · South Church Street
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34
Turn right onto West 4th Street
135 m · 20 sec · West 4th Street
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35
At the end of the road, turn left onto South Linn Avenue
706 ft · 26 sec · South Linn Avenue
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36
Turn right onto East Allen Street
12 m · 2 sec · East Allen Street
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37
Arrive at your destination
0 m · 1 sec · East Allen Street
Car Route Details
A richer read on the saved driving route between Union and Wentzville.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
West Freeway
Continue on West Freeway
174 mi · 03h 18m
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 Chance Showers And Thunderstorms leaving Union and Partly Sunny near Wentzville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Wentzville?
The road trip is about 969.5 miles (1560.2 km) and usually takes 18h 38m 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?
Amsterdam is a useful midpoint, sitting about 483.8 miles from Union and 485.7 miles from Wentzville.
How much longer is the road route than the straight-line distance?
The direct path is about 889.4 miles (1431.4 km), while the road route adds roughly 80.1 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 $139.78 one way or $279.56 round trip. Estimated CO2 is about 304 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Union and Wentzville, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Patchy Fog then Chance Showers And Thunderstorms around Union and Partly Sunny near Wentzville.
Stop Ideas Near Amsterdam
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 Amsterdam.
Columbus, OH
Flight Path Map
This map shows the direct air route between Union and Wentzville. Straight-line distance: 889.43 mi (1431.4 km).
#1 Union
A city in Union County, New Jersey.
| Population | 67,137 |
| Coordinates | 40.6976000, -74.2632000 |
| Altitude | 30 |
| Country | United States |
#2 Wentzville
A city in St.
| Population | 43,109 |
| Coordinates | 38.8114400, -90.8529100 |
| Altitude | 190 |
| Country | United States |
End: Wentzville (-90.85291, 38.81144)
Estimated Travel Time
Distance: 1560 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 32h 18m |
| 40 mph (64.37 km/h) | 24h 14m |
| 50 mph (80.47 km/h) | 19h 23m |
| 60 mph (96.56 km/h) | 16h 09m |
| 70 mph (112.65 km/h) | 13h 50m |
| 80 mph (129 km/h) | 12h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.09 | $139.78 | $279.56 |
| Mid-grade | $4.60 | $157.33 | $314.66 |
| Premium | $4.95 | $169.48 | $338.95 |
| Diesel | $5.98 | $204.58 | $409.15 |
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 · Jul 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.