Interstate 15 Mileages in Each State

2024-11-27 Roadnow

South

California: 287 miles or 462 kilometers
California cities along I-15: San Diego > Riverside > San Bernardino > Los Angeles > Barstow > Baker

Nevada: 124 miles or 200 kilometers
Nevada cities along I-15: Las Vegas

Arizona: 29 miles or 47 kilometers
Arizona cities along I-15: Littlefield

Utah: 401 miles or 645 kilometers
Utah cities along I-15: St. George > Provo > Salt Lake City > Ogden

Idaho: 196 miles or 315 kilometers
Idaho cities along I-15: Pocatello > Idaho Falls

Montana: 396 miles or 637 kilometers
Montana cities along I-15: Butte > Helena > Great Falls > Ogden

North

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