Below is a list of common Cross Country and Track long distance runs found here:
Bol Park: 1.5-2.0(depending which exit) miles
VA - Bol loop: 2.8 miles
Mudrun: 3.1 miles
Water Fountain: 3.3 miles
Manuela: 3.6 miles
Miranda: 4.1 miles
Shortened Frans: 5.1 miles
Viscaino (via Manuella): 5.2 miles
Viscaino (via Miranda): 5.7 miles
Concepcion (via Manuela): 5.7 miles
Spider Hill: 5.9 miles
Paloma (via Manuela): 6.0 miles
Frans: 6.0 miles
Concepcion (via Miranda): 6.2 miles
Paloma (via Miranda): 6.5 miles
Stanford Central: 6.7 miles
Robleda: 6.9 miles
Africa: 7.1 miles
Lagunita: 7.4 miles
Elena: 7.6 miles
The Ghetto: 7.8 miles
Horror Hill (via Franz): 7.9 miles
Wallace Stegner: 8.1 miles
Stanford Campus Loop: 8.2 miles
Taaffe: 9.0 miles
The Dish: 9.3 miles
Black Mountain from Rhus Ridge: 9.7 miles
Altamont: 10.2 miles
Moody: 10.8 miles
Stanford Shopping Center: 11.2 miles
The Great Frontier: 12.10 miles
Stanford Shopping Center extended: 13.5 miles Note: distance on Strava is longer because it had to go the long way around some stuff.