Live Chat I-15 Community Nearby Traffic US 87 MT 2024-05-17 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 87 MT Malmstrom A F B, MT 12.09 Great Falls, MT 12.51 Black Eagle, MT 16.89 Interstate highway exits close to US 87 MT Exit 278, i15 17.87 Exit 277, i15 18.38 Exit 280, i15 19.10 Interstate highways close to US 87 MT i15 map 17.87 i90 map 158.42 i94 map 273.67 State roads close to US 87 MT US 87 MT map 6.04 US 89 MT map 7.95 MT US 87 BYPASS map 11.19