Live Chat AI Agent Community MO 21 2024-05-25 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to MO 21 Pilot Knob, MO 1.54 Arcadia, MO 10.64 Middle Brook, MO 12.68 Interstate highway exits close to MO 21 Exit 154, i55 55.84 Exit 157, i55 56.48 Exit 150, i55 57.44 Interstate highways close to MO 21 i55 map 55.84 i44 map 80.97 i255il map 101.96 State roads close to MO 21 MO 21 map 0.74 MO 221 map 0.78 MO 32 map 14.53