mileage, how well will it be in hilly country? the run down 75 from Cincinnati, that whole route to Atlanta or nearby is one nightmare of hills till you get pas

mileage, how well will it be in hilly country? the run down 75 from Cincinnati, that whole route to Atlanta or nearby is one nightmare of hills till you get past Knoxville. are their range calculations going to hold up, most truckers don't have the luxury of running across the plains or the equivalent all day. throw in they run in all weather so how much will those range numbers drop?