Minnesota to Illinois

Distance from Rochester to Rockford

Straight-line distance

210.6mi

Rochester, MN and Rockford, IL are 210.6 miles (338.9 km) apart in a straight line. From Rochester, the shortest path starts out heading SE (124°).

kilometers
338.9
nautical miles
183.0
heading from Rochester
124° SE
heading from Rockford
306° NW
RochesterRockford

Orange line: great-circle path · ring: midpoint · thin lines: county borders

How far Rochester is from Rockford

The great-circle distance between the Census internal points of Rochester and Rockford is 210.6 miles, 338.9 km or 183.0 nautical miles. That is the shortest path over the Earth's surface, computed with the haversine formula on a sphere with the mean Earth radius, 6,371.0 km. A course held on one compass bearing (a rhumb line) would be 210.6 miles, practically the same at this range.

Measurements

Miles
210.6
Kilometers
338.9
Nautical miles
183.0
Bearing from Rochester
124.0° SE
Bearing arriving at Rockford
126.3°
Bearing from Rockford
306.3° NW

Halfway between Rochester and Rockford

The great-circle midpoint is at 43.149495, -90.746537 (43°08'58.18"N 90°44'47.53"W). The nearest incorporated place of 1,000 or more people is Boscobel, WI, with 3,265 residents, 2.1 miles from the midpoint. To find towns near the midpoint of any two places, use the halfway tool.

Time zones and daylight

Both use America/Chicago, so there is no time difference. On June 21, Rochester gets 15 h 29 min of daylight and Rockford 15 h 16 min; on December 21, 8 h 53 min and 9 h 05 min. Rochester is 1.75° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Rockford has 1.2 times the population of Rochester. From July 2020 to July 2024, Rochester changed by +1.7% and Rockford by -0.8%. The trip crosses from Minnesota into Illinois.

  1. 01Rochester, MN123,624 (+1.7%)
  2. 02Rockford, IL147,486 (-0.8%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Rochester from Rockford?

210.6 miles, 338.9 km or 183.0 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Rockford from Rochester?

SE. The great-circle path leaves Rochester on a bearing of 124.0° and arrives at Rockford on 126.3°. The return trip starts on 306.3°.

What is halfway between Rochester and Rockford?

The midpoint is at 43.149495, -90.746537. The nearest incorporated place of 1,000+ is Boscobel, WI, 2.1 miles from it.

Is there a time difference between Rochester and Rockford?

Both use America/Chicago, so there is no time difference.

Which is bigger, Rochester or Rockford?

Rockford, with 147,486 residents in July 2024 against 123,624 for Rochester, 1.2 times as many.

Sources and data as of

Data as of: Census 2024 Gazetteer internal points and Vintage 2024 estimates; time zones from Open-Meteo.

  1. 01Census 2024 Gazetteer, places
  2. 02Census Vintage 2024 subcounty population estimates
  3. 03SunCalc library (Vladimir Agafonkin), algorithms after Jean Meeus
  4. 04IANA time zone database (clock times and daylight saving rules)

How every number is computed: methodology. Spotted a wrong figure? Report an error.