* The specific team: Some teams have stronger kicking games than others.
* The game situation: Teams are more likely to attempt longer field goals when trailing late in the game.
* The year: Kicking technology and training methods have improved over time.
* Whether you're looking at made or attempted field goals: The average distance of *attempted* field goals will be longer than the average distance of *made* field goals.
While you can't find a definitive average, you'll generally find that the average distance of *made* college field goals falls somewhere in the 30-40 yard range. The average distance of *attempted* field goals will be considerably longer. Any number you find will be a rough estimate and dependent on the data source and methodology used.