Possible Clues:

• Fibber describing golf — and somehow they can make a huge distance
• Buzz from a great distance
• Undemanding period stretches for quite a distance
• Not heavily burdened, indeed runs a very long way
• Long stretch of time with part of crossword to fill in
• It's a distance measure
• A girl they treated for what isn't really a long time
• Buzz ____, a Space Ranger superhero in the Toy Story films
• Starts off flight, my dear -- it's extremely far
• Great distance I travelled with lethargy