Montana to Colorado

Distance from Billings to Fort Collins

Straight-line distance

402.4mi

Billings, MT and Fort Collins, CO are 402.4 miles (647.6 km) apart in a straight line. From Billings, the shortest path starts out heading SSE (153°).

kilometers
647.6
nautical miles
349.6
heading from Billings
153° SSE
heading from Fort Collins
335° NNW
BillingsFort Collins

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

How far Billings is from Fort Collins

The great-circle distance between the Census internal points of Billings and Fort Collins is 402.4 miles, 647.6 km or 349.6 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 402.4 miles, practically the same at this range.

Measurements

Miles
402.4
Kilometers
647.6
Nautical miles
349.6
Bearing from Billings
152.9° SSE
Bearing arriving at Fort Collins
155.3°
Bearing from Fort Collins
335.3° NNW

Halfway between Billings and Fort Collins

The great-circle midpoint is at 43.181570, -106.733770 (43°10'53.65"N 106°44'1.57"W). The nearest incorporated place of 1,000 or more people is Bar Nunn, WY, with 3,019 residents, 26.5 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/Denver, so there is no time difference. On June 21, Billings gets 15 h 44 min of daylight and Fort Collins 15 h 05 min; on December 21, 8 h 40 min and 9 h 16 min. Billings is 5.24° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Fort Collins has 1.4 times the population of Billings. From July 2020 to July 2024, Billings changed by +3.6% and Fort Collins by +0.5%. The trip crosses from Montana into Colorado.

  1. 01Billings, MT121,483 (+3.6%)
  2. 02Fort Collins, CO170,924 (+0.5%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Billings from Fort Collins?

402.4 miles, 647.6 km or 349.6 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Fort Collins from Billings?

SSE. The great-circle path leaves Billings on a bearing of 152.9° and arrives at Fort Collins on 155.3°. The return trip starts on 335.3°.

What is halfway between Billings and Fort Collins?

The midpoint is at 43.181570, -106.733770. The nearest incorporated place of 1,000+ is Bar Nunn, WY, 26.5 miles from it.

Is there a time difference between Billings and Fort Collins?

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

Which is bigger, Billings or Fort Collins?

Fort Collins, with 170,924 residents in July 2024 against 121,483 for Billings, 1.4 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.