Live Chat I-90 Community Nearby Traffic MainStay Suites Rapid City 2024-04-26 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to MainStay Suites Rapid City Black Hawk, SD 9.99 Piedmont, SD 16.82 Ellsworth AFB, SD 16.99 Interstate highway exits close to MainStay Suites Rapid City Exit 55, i90 2.83 Exit 57, i90 4.44 Exit 58, i90 5.26 Interstate highways close to MainStay Suites Rapid City i90 map 2.83 i25 map 222.29 i94 map 311.85 State roads close to MainStay Suites Rapid City US 14 SD map 2.62 US 16 SD map 4.10 US 385 SD map 16.14