How far is Elgin, IL from Union Grove, IL?

The driving distance from Elgin, IL to Union Grove, IL is about 105.2 miles (169.3 km), with a travel time of about 02h 16m by car.

  • The straight-line flight distance is about 90.8 miles (146.1 km).
  • For a round trip, plan for roughly 04h 32m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
105.2 mi
02h 16m
Flight
90.79 mi
146.12 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Elgin.

Flight Distance

Direct air line
90.79 mi
Kilometers
146.12 km
Flight Time
00h 10m

Driving Distance

Road route
105.2 mi
Kilometers
169.31 km
Drive Time
02h 16m

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 02h 16m.

Arrival Snapshot
Arrive in Union Grove
Thu, Apr 23, 9:25 AM CDT
Return by in Elgin
Thu, Apr 23, 11:42 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Elgin
2026-04-23T07:09
Arrive Union Grove
Thu, Apr 23, 9:25 AM CDT
Route Timing
02h 16m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:16 AM to 12:16 PM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:58 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Elgin
9:30 PM CDT
Morning start is best

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
Flagg
IL

City in Illinois, United States of America

From Elgin
52.5 mi
01h 08m
To Union Grove
52.7 mi
01h 08m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
10 to 20 mph S
Destination
79°F
Thursday

Partly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
10 to 20 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Elgin and Union Grove.

  1. 1

    Start on East Chicago Street

    10 m · 5 sec · East Chicago Street

  2. 2

    Turn right onto Villa Street

    2959 ft · 58 sec · Villa Street

  3. 3

    Turn right onto East National Street

    2840 ft · 1 min · East National Street

  4. 4

    Turn left onto South State Street

    1.2 mi · 3 min · South State Street

  5. 5

    Continue on North La Fox Street

    4.3 mi · 7 min · North La Fox Street

  6. 6

    Turn right onto Silver Glen Road

    1.5 km · 2 min · Silver Glen Road

  7. 7

    Turn left onto Randall Road

    1.4 km · 1 min · Randall Road

  8. 8

    Turn right onto Bolcum Road

    3.2 mi · 5 min · Bolcum Road

  9. 9

    Enter the roundabout and take exit 2 toward Burlington Road

    54 m · 4 sec · Burlington Road

  10. 10

    Exit the roundabout onto Burlington Road

    1532 ft · 33 sec · Burlington Road

  11. 11

    Continue on LaFox Road

    2.3 mi · 4 min · LaFox Road

  12. 12

    Turn right onto Lincoln Highway

    16.6 mi · 23 min · Lincoln Highway

  13. 13

    Turn left onto Peace Road

    1.4 mi · 3 min · Peace Road

  14. 14

    Take the ramp left toward I 88 West Toll: Moline Rock Island

    1570 ft · 38 sec

  15. 15

    Merge slight left onto Ronald Reagan Memorial Tollway

    49.7 mi · 53 min · Ronald Reagan Memorial Tollway

  16. 16

    Continue on Ronald Reagan Memorial Highway

    1.1 mi · 1 min · Ronald Reagan Memorial Highway

  17. 17

    Continue on Ronald Reagan Memorial Highway

    6.7 mi · 7 min · Ronald Reagan Memorial Highway

  18. 18

    Take the exit slight right toward US 30: Clinton, Rock Falls, Sterling

    1 mi · 1 min

  19. 19

    Continue on Lincoln Road

    9 mi · 12 min · Lincoln Road

  20. 20

    Continue on East Lincoln Way

    1.3 mi · 3 min · East Lincoln Way

  21. 21

    Continue on East Lincolnway

    1.2 km · 2 min · East Lincolnway

  22. 22

    Continue on West Lincoln Way

    985 ft · 24 sec · West Lincoln Way

  23. 23

    Continue on Lincoln Road

    2.5 mi · 4 min · Lincoln Road

  24. 24

    Turn right onto Hillside Road

    1123 ft · 34 sec · Hillside Road

  25. 25

    Turn right onto Ward Road

    17 m · 3 sec · Ward Road

  26. 26

    Arrive at your destination

    0 m · 1 sec · Ward Road

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
26 steps
12 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
24.7 / 100 mi
Decision points by distance
Main Roads
Ronald Reagan Memorial Tollway
49.7 mi · 47%
Lincoln Highway
16.6 mi · 16%
Lincoln Road
11.6 mi · 11%
Ronald Reagan Memorial Highway
7.82 mi · 7%
North La Fox Street
4.34 mi · 4%
Bolcum Road
3.24 mi · 3%
Longest Stretch

Ronald Reagan Memorial Tollway

Merge slight left onto Ronald Reagan Memorial Tollway

49.7 mi · 00h 53m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 16m
Day trip friendly
Same-Day Return
04h 32m
Round-trip wheel time
Road vs Air
+14.4 mi
90.8 mi direct line
Halfway Stop
Flagg
01h 08m from Elgin
Leave By
1:58 PM CDT
Morning start is best
Weather Watch

Mostly Sunny leaving Elgin and Partly Sunny near Union Grove.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Elgin to Union Grove?

The road trip is about 105.2 miles (169.3 km) and usually takes 02h 16m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Flagg is a useful midpoint, sitting about 52.5 miles from Elgin and 52.7 miles from Union Grove.

How much longer is the road route than the straight-line distance?

The direct path is about 90.8 miles (146.1 km), while the road route adds roughly 14.4 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:58 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $13.99 one way or $27.98 round trip. Estimated CO2 is about 33 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Elgin and Partly Sunny near Union Grove.

Stop Ideas Near Flagg

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

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

RAIL

Mendota station

39 mi away
783 Main Street
BUS

Rockford, Illinois

43 mi away
7559 Walton St.
RAIL

Plano

56 mi away
101 West Main Street
RAIL

Princeton

63 mi away
107 Bicentennial Dr.

Flight Path Map

This map shows the direct air route between Elgin and Union Grove. Straight-line distance: 90.79 mi (146.12 km).

Elgin

#1 Elgin

The second most populous city in Kane County, Illinois.

Population110,196
Coordinates42.0372500, -88.2811900
Altitude227
CountryUnited States
Union Grove

#2 Union Grove

Township in Whiteside County, Illinois

Population1,113
Coordinates41.8342000, -90.0265100
Altitude210
CountryUnited States
Start: Elgin (-88.28119, 42.03725)
End: Union Grove (-90.02651, 41.8342)

Estimated Travel Time

Distance: 169 km by road

SpeedTime
30 mph (48.3 km/h)03h 30m
40 mph (64.37 km/h)02h 37m
50 mph (80.47 km/h)02h 06m
60 mph (96.56 km/h)01h 45m
70 mph (112.65 km/h)01h 30m
80 mph (129 km/h)01h 18m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.71 gal
14.05 L · about $13.99
Round trip
$27.98
7.42 gal · 28.1 L
Estimated CO2
33 kg one way
Round trip: 65.9 kg / 145 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $13.99 $27.98
Mid-grade $4.25 $15.78 $31.56
Premium $4.65 $17.27 $34.53
Diesel $5.30 $19.68 $39.36

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 Illinois · Apr 23, 2026

There is no time difference between Elgin and Union Grove. The current time is 07:09:47.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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