Firehouse Subs 2024-12-29 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Firehouse Subs Knoxville, TN 6.92 mi Heiskell, TN 10.54 mi Clinton, TN 11.21 miInterstate highway exits close to Firehouse Subs Exit 112, i75 3.74 mi Exit 110, i75 4.62 mi Exit 117, i75 7.24 miInterstate highways close to Firehouse Subs i75 map 3.74 mi i640tn map 8.94 mi i40 map 11.63 miState roads close to Firehouse Subs TN 131 map 1.84 mi TN 170 map 3.87 mi TN 62 map 6.21 mi