According to Honda, the 2005 has a 20.4 gallon tank. According to my fill-up records, I get about 17.5 gallons into it if I fill up shortly after the light comes on, so yes, you should have 3 gallons +/- left when the light fist comes on -- or 45-60 miles, give or take.
Delayed onset muscle soreness. Delayed onset muscle soreness (DOMS), also called muscle fever, is the pain and stiffness felt in muscles several hours to days after unaccustomed or strenuous exercise. The soreness is felt most strongly 24 to 72 hours after the exercise. It is thought to be caused by eccentric (lengthening) exercise, which causes microtrauma to the muscle fibers.
You'll also want to avoid crossing your legs for long periods of time -- be sure to shift your legs while getting up to stretch every 30 minutes when you can [source: Mayo Clinic]. While exercising won't remove varicose veins, it can help ease some of the uncomfortable symptoms. Exercising regularly will keep your veins and legs strong, which is a preventive measure as well as a treatment. The main rule of thumb if you have varicose veins: Be wary of overexerting your legs, but keep yourself mobile and active whenever possible.