Montana to Idaho

Distance from Billings to Meridian

Straight-line distance

413.5mi

Billings, MT and Meridian, ID are 413.5 miles (665.5 km) apart in a straight line. From Billings, the shortest path starts out heading WSW (251°).

kilometers
665.5
nautical miles
359.3
heading from Billings
251° WSW
heading from Meridian
66° ENE
BillingsMeridian

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

How far Billings is from Meridian

The great-circle distance between the Census internal points of Billings and Meridian is 413.5 miles, 665.5 km or 359.3 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 413.7 miles, 259 meters longer.

Measurements

Miles
413.5
Kilometers
665.5
Nautical miles
359.3
Bearing from Billings
251.5° WSW
Bearing arriving at Meridian
246.0°
Bearing from Meridian
66.0° ENE

Halfway between Billings and Meridian

The great-circle midpoint is at 44.767215, -112.550497 (44°46'1.97"N 112°33'1.79"W). The nearest incorporated place of 1,000 or more people is Dillon, MT, with 4,242 residents, 31.4 miles from the midpoint. To find towns near the midpoint of any two places, use the halfway tool.

Time zones and daylight

Billings uses America/Denver and Meridian uses America/Boise; Meridian is the same clock time all year. On June 21, Billings gets 15 h 44 min of daylight and Meridian 15 h 26 min; on December 21, 8 h 40 min and 8 h 56 min. Billings is 2.18° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Meridian has 1.2 times the population of Billings. From July 2020 to July 2024, Billings changed by +3.6% and Meridian by +16.9%. The trip crosses from Montana into Idaho.

  1. 01Billings, MT121,483 (+3.6%)
  2. 02Meridian, ID139,740 (+16.9%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Billings from Meridian?

413.5 miles, 665.5 km or 359.3 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Meridian from Billings?

WSW. The great-circle path leaves Billings on a bearing of 251.5° and arrives at Meridian on 246.0°. The return trip starts on 66.0°.

What is halfway between Billings and Meridian?

The midpoint is at 44.767215, -112.550497. The nearest incorporated place of 1,000+ is Dillon, MT, 31.4 miles from it.

Is there a time difference between Billings and Meridian?

Billings uses America/Denver and Meridian uses America/Boise; Meridian is the same clock time all year.

Which is bigger, Billings or Meridian?

Meridian, with 139,740 residents in July 2024 against 121,483 for Billings, 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.