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

The driving distance from Round Lake, IL to Rockford, IL is about 63.2 miles (101.7 km), with a travel time of about 01h 27m by car.

  • The straight-line flight distance is about 51.4 miles (82.8 km).
  • For a round trip, plan for roughly 02h 54m 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
63.18 mi
01h 27m
Flight
51.44 mi
82.78 km direct

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

Learn Distance

Choose another destination from Round Lake.

Flight Distance

Direct air line
51.44 mi
Kilometers
82.78 km
Flight Time
00h 06m

Driving Distance

Road route
63.18 mi
Kilometers
101.68 km
Drive Time
01h 27m

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 27m.

Arrival Snapshot
Arrive in Rockford
Wed, Apr 22, 10:33 PM CDT
Return by in Round Lake
Thu, Apr 23, 12:00 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Round Lake
2026-04-22T21:06
Arrive Rockford
Wed, Apr 22, 10:33 PM CDT
Route Timing
01h 27m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:27 AM to 11:27 AM CDT

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

Leave by
3:36 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Round 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
Harvard
IL

Private research university in Cambridge, Massachusetts, United States

From Round Lake
32.7 mi
00h 43m
To Rockford
30.5 mi
00h 43m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
71°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM CDT
Wind
5 to 10 mph ENE
Destination
74°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM CDT
Wind
5 to 10 mph ESE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on North Cedar Lake Road

    66 m · 9 sec · North Cedar Lake Road

  2. 2

    Turn left onto Railroad Avenue

    2133 ft · 45 sec · Railroad Avenue

  3. 3

    Continue on Round Lake Road

    1.1 km · 1 min · Round Lake Road

  4. 4

    Continue on Long Lake Road

    1709 ft · 36 sec · Long Lake Road

  5. 5

    Continue on West Big Hollow Road

    2.9 mi · 5 min · West Big Hollow Road

  6. 6

    Turn right

    10.4 mi · 12 min

  7. 7

    Continue straight

    2 mi · 2 min

  8. 8

    Turn left onto Kenosha Street

    17.3 mi · 25 min · Kenosha Street

  9. 9

    Turn left onto North Division Street

    2662 ft · 49 sec · North Division Street

  10. 10

    Turn right onto West Brink Street

    12.4 mi · 18 min · West Brink Street

  11. 11

    Continue on State Route 173

    5.6 mi · 8 min · State Route 173

  12. 12

    Continue on West Lane Road

    4.9 mi · 8 min · West Lane Road

  13. 13

    Turn left onto North 2nd Street

    7.5 mi · 12 min · North 2nd Street

  14. 14

    Turn right onto East Jefferson Street

    2128 ft · 45 sec · East Jefferson Street

  15. 15

    Turn left onto North Wyman Street

    793 ft · 24 sec · North Wyman Street

  16. 16

    Turn right onto West State Street

    23 m · 2 sec · West State Street

  17. 17

    Arrive at your destination

    0 m · 1 sec · West State Street

Car Route Details

A richer read on the saved driving route between Round 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
17 steps
9 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
17.3 mi · 27%
West Brink Street
12.4 mi · 20%
North 2nd Street
7.53 mi · 12%
State Route 173
5.55 mi · 9%
West Lane Road
4.93 mi · 8%
West Big Hollow Road
4.85 mi · 8%
Longest Stretch

Kenosha Street

Turn left onto Kenosha Street

17.3 mi · 00h 25m

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 27m
Day trip friendly
Same-Day Return
02h 54m
Round-trip wheel time
Road vs Air
+11.8 mi
51.4 mi direct line
Halfway Stop
Harvard
00h 43m from Round Lake
Leave By
3:36 PM CDT
Morning start is best
Weather Watch

Sunny leaving Round Lake and Sunny near Rockford.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 63.2 miles (101.7 km) and usually takes 01h 27m 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?

Harvard is a useful midpoint, sitting about 32.7 miles from Round Lake and 30.5 miles from Rockford.

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

The direct path is about 51.4 miles (82.8 km), while the road route adds roughly 11.8 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 3:36 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.41 one way or $16.82 round trip. Estimated CO2 is about 19.8 kg one way.

What should you check before leaving?

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

Stop Ideas Near Harvard

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

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

BUS

South Beloit, Illinois

32 mi away
15766 Manchester Road
BUS

Rockford, Illinois

35 mi away
7559 Walton St.
BUS

Janesville, Wisconsin

46 mi away
3120 North Pontiac Drive
RAIL

Sturtevant station

67 mi away
9900 East Exploration Court

Flight Path Map

This map shows the direct air route between Round Lake and Rockford. Straight-line distance: 51.44 mi (82.78 km).

Round Lake

#1 Round Lake

City in Illinois, United States of America

Population17,982
Coordinates42.3533600, -88.0934100
Altitude243
CountryUnited States
Rockford

#2 Rockford

The second most populous city in Illinois.

Population144,835
Coordinates42.2711300, -89.0940000
Altitude218
CountryUnited States
Start: North Cedar Lake Road (-88.093325, 42.35336)
End: West State Street (-89.094046, 42.271066)

Estimated Travel Time

Distance: 102 km by road

SpeedTime
30 mph (48.3 km/h)02h 06m
40 mph (64.37 km/h)01h 34m
50 mph (80.47 km/h)01h 15m
60 mph (96.56 km/h)01h 03m
70 mph (112.65 km/h)00h 54m
80 mph (129 km/h)00h 47m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.23 gal
8.44 L · about $8.41
Round trip
$16.82
4.46 gal · 16.88 L
Estimated CO2
19.8 kg one way
Round trip: 39.6 kg / 87 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $8.41 $16.82
Mid-grade $4.25 $9.48 $18.97
Premium $4.65 $10.38 $20.76
Diesel $5.30 $11.83 $23.66

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 Round Lake and Rockford. The current time is 21:06:18.

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.