Possible Clues:

• Nearly 6 million million miles
• From a long distance we hear a buzz
• About six million million miles per annum
• When time does not weigh heavy, perhaps? Far from it
• Projectile's journey long - no beginning or end but a great distance
• That's not a time to be so faraway
• Almost 6 trillion miles
• Not a very busy period, but one gets a long way
• A girl they transported a very great distance
• A long way in a short time?