Idaho to Washington

Distance from Boise City to Spokane Valley

Straight-line distance

284.9mi

Boise City, ID and Spokane Valley, WA are 284.9 miles (458.6 km) apart in a straight line. From Boise City, the shortest path starts out heading N (351°).

kilometers
458.6
nautical miles
247.6
heading from Boise City
351° N
heading from Spokane Valley
170° S
Boise CitySpokane Valley

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

How far Boise City is from Spokane Valley

The great-circle distance between the Census internal points of Boise City and Spokane Valley is 284.9 miles, 458.6 km or 247.6 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 284.9 miles, practically the same at this range.

Measurements

Miles
284.9
Kilometers
458.6
Nautical miles
247.6
Bearing from Boise City
350.6° N
Bearing arriving at Spokane Valley
349.8°
Bearing from Spokane Valley
169.8° S

Halfway between Boise City and Spokane Valley

The great-circle midpoint is at 45.632446, -116.713109 (45°37'56.80"N 116°42'47.19"W). The nearest incorporated place of 1,000 or more people is Enterprise, OR, with 2,083 residents, 30.9 miles from the midpoint. To find towns near the midpoint of any two places, use the halfway tool.

Time zones and daylight

Boise City uses America/Boise and Spokane Valley uses America/Los_Angeles; Spokane Valley is 1 hour behind all year. On June 21, Boise City gets 15 h 26 min of daylight and Spokane Valley 16 h 00 min; on December 21, 8 h 56 min and 8 h 25 min. Spokane Valley is 4.06° farther north, so it has the longer summer days and the shorter winter ones.

Population compared

Boise City has 2.2 times the population of Spokane Valley. From July 2020 to July 2024, Boise City changed by +0.8% and Spokane Valley by +4.5%. The trip crosses from Idaho into Washington.

  1. 01Boise City, ID237,963 (+0.8%)
  2. 02Spokane Valley, WA108,267 (+4.5%)
July 1, 2024 population and change since July 2020, Census Vintage 2024.

Questions people ask

How far is Boise City from Spokane Valley?

284.9 miles, 458.6 km or 247.6 nautical miles along the great circle between the two Census internal points. Road distance is longer.

Which direction is Spokane Valley from Boise City?

N. The great-circle path leaves Boise City on a bearing of 350.6° and arrives at Spokane Valley on 349.8°. The return trip starts on 169.8°.

What is halfway between Boise City and Spokane Valley?

The midpoint is at 45.632446, -116.713109. The nearest incorporated place of 1,000+ is Enterprise, OR, 30.9 miles from it.

Is there a time difference between Boise City and Spokane Valley?

Boise City uses America/Boise and Spokane Valley uses America/Los_Angeles; Spokane Valley is 1 hour behind all year.

Which is bigger, Boise City or Spokane Valley?

Boise City, with 237,963 residents in July 2024 against 108,267 for Spokane Valley, 2.2 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.