How far is Third Lake, IL from Rockford, IL?

The driving distance from Third Lake, IL to Rockford, IL is about 70.6 miles (113.7 km), with a travel time of about 01h 39m by car.

  • The straight-line flight distance is about 55.8 miles (89.8 km).
  • For a round trip, plan for roughly 03h 19m 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
70.66 mi
01h 39m
Flight
55.78 mi
89.77 km direct

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

Learn Distance

Choose another destination from Third Lake.

Flight Distance

Direct air line
55.78 mi
Kilometers
89.77 km
Flight Time
00h 06m

Driving Distance

Road route
70.66 mi
Kilometers
113.72 km
Drive Time
01h 39m

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 01h 39m.

Arrival Snapshot
Arrive in Rockford
Sun, Apr 19, 3:52 PM CDT
Return by in Third Lake
Sun, Apr 19, 5:32 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Third Lake
2026-04-19T14:13
Arrive Rockford
Sun, Apr 19, 3:52 PM CDT
Route Timing
01h 39m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:40 AM to 11:40 AM CDT

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

Leave by
3:10 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Third Lake
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
Alden
IL

Human settlement in Illinois, United States of America

From Third Lake
35 mi
00h 49m
To Rockford
35.7 mi
00h 49m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
50°F
Sunday

Mostly Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
15 to 20 mph WNW
Destination
51°F
Sunday

Mostly Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
15 mph WNW

Driving Route Map

The map below follows the saved road route between Third Lake and Rockford.

Turn-by-Turn Driving Directions

Step-by-step road directions between Third Lake and Rockford.

  1. 1

    Start on South Lake Avenue

    12 m · 4 sec · South Lake Avenue

  2. 2

    Turn right onto Sunshine Avenue

    2367 ft · 2 min · Sunshine Avenue

  3. 3

    Turn left onto North Grant Avenue

    75 m · 18 sec · North Grant Avenue

  4. 4

    Turn left

    1.3 km · 2 min

  5. 5

    Turn left onto West Grand Avenue

    4.4 mi · 7 min · West Grand Avenue

  6. 6

    Turn right onto North Milwaukee Avenue

    3.8 mi · 6 min · North Milwaukee Avenue

  7. 7

    Continue on Main Street

    1909 ft · 36 sec · Main Street

  8. 8

    Turn left onto West IL Route 173

    6.3 mi · 9 min · West IL Route 173

  9. 9

    Continue on Kenosha Road

    3.7 mi · 5 min · Kenosha Road

  10. 10

    Continue on Kenosha Street

    18.8 mi · 27 min · Kenosha Street

  11. 11

    Turn left onto North Division Street

    2662 ft · 49 sec · North Division Street

  12. 12

    Turn right onto West Brink Street

    12.4 mi · 18 min · West Brink Street

  13. 13

    Continue on State Route 173

    5.6 mi · 8 min · State Route 173

  14. 14

    Continue on West Lane Road

    4.9 mi · 8 min · West Lane Road

  15. 15

    Turn left onto North 2nd Street

    7.5 mi · 12 min · North 2nd Street

  16. 16

    Turn right onto East Jefferson Street

    2128 ft · 45 sec · East Jefferson Street

  17. 17

    Turn left onto North Wyman Street

    793 ft · 24 sec · North Wyman Street

  18. 18

    Turn right onto West State Street

    23 m · 2 sec · West State Street

  19. 19

    Arrive at your destination

    0 m · 1 sec · West State Street

Car Route Details

A richer read on the saved driving route between Third Lake and Rockford.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
19 steps
12 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
26.9 / 100 mi
Decision points by distance
Main Roads
Kenosha Street
18.8 mi · 27%
West Brink Street
12.4 mi · 17%
North 2nd Street
7.53 mi · 11%
West IL Route 173
6.29 mi · 9%
State Route 173
5.55 mi · 8%
West Lane Road
4.93 mi · 7%
Longest Stretch

Kenosha Street

Continue on Kenosha Street

18.8 mi · 00h 27m

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
01h 39m
Day trip friendly
Same-Day Return
03h 20m
Round-trip wheel time
Road vs Air
+14.8 mi
55.8 mi direct line
Halfway Stop
Alden
00h 49m from Third Lake
Leave By
3:10 PM CDT
Morning start is best
Weather Watch

Mostly Sunny leaving Third Lake and Mostly Sunny near Rockford.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Third Lake to Rockford?

The road trip is about 70.6 miles (113.7 km) and usually takes 01h 39m 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?

Alden is a useful midpoint, sitting about 35 miles from Third Lake and 35.7 miles from Rockford.

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

The direct path is about 55.8 miles (89.8 km), while the road route adds roughly 14.8 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 3:10 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $9.39 one way or $18.78 round trip. Estimated CO2 is about 22.1 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Third Lake and Mostly Sunny near Rockford.

Stop Ideas Near Alden

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

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

BUS

South Beloit, Illinois

39 mi away
15766 Manchester Road
BUS

Rockford, Illinois

43 mi away
7559 Walton St.
BUS

Janesville, Wisconsin

49 mi away
3120 North Pontiac Drive
RAIL

Sturtevant station

58 mi away
9900 East Exploration Court

Flight Path Map

This map shows the direct air route between Third Lake and Rockford. Straight-line distance: 55.78 mi (89.77 km).

Third Lake

#1 Third Lake

City in Illinois, United States of America

Population1,145
Coordinates42.3739100, -88.0109100
Altitude235
CountryUnited States
Rockford

#2 Rockford

The second most populous city in Illinois.

Population144,835
Coordinates42.2711300, -89.0940000
Altitude218
CountryUnited States
Start: South Lake Avenue (-88.010773, 42.373997)
End: West State Street (-89.094046, 42.271066)

Estimated Travel Time

Distance: 114 km by road

SpeedTime
30 mph (48.3 km/h)02h 21m
40 mph (64.37 km/h)01h 45m
50 mph (80.47 km/h)01h 24m
60 mph (96.56 km/h)01h 10m
70 mph (112.65 km/h)01h 00m
80 mph (129 km/h)00h 52m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.49 gal
9.44 L · about $9.39
Round trip
$18.78
4.98 gal · 18.88 L
Estimated CO2
22.1 kg one way
Round trip: 44.3 kg / 98 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $9.39 $18.78
Mid-grade $4.25 $10.59 $21.18
Premium $4.65 $11.59 $23.18
Diesel $5.30 $13.21 $26.41

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 19, 2026

There is no time difference between Third Lake and Rockford. The current time is 14:13:15.

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.