| Difficult Run to Great Bend (Kansas) | 1,155.94 mi (1,860.30 km) |
| Difficult Run to Great Falls (Montana) | 1,793.51 mi (2,886.38 km) |
| Difficult Run to Great Falls (Virginia) | 7.95 mi (12.79 km) |
| Difficult Run to Great Neck (New York) | 232.35 mi (373.93 km) |
| Difficult Run to Greeley (Colorado) | 1,456.61 mi (2,344.18 km) |
| Difficult Run to Green (Ohio) | 260.44 mi (419.14 km) |
| Difficult Run to Green Bay (Wisconsin) | 671.24 mi (1,080.25 km) |
| Difficult Run to Green River (Wyoming) | 1,694.86 mi (2,727.61 km) |
| Difficult Run to Green Valley (Arizona) | 1,945.87 mi (3,131.57 km) |
| Difficult Run to Green Valley (Maryland) | 30.92 mi (49.77 km) |
| Difficult Run to Greenacres (Florida) | 863.31 mi (1,389.37 km) |
| Difficult Run to Greenbelt (Maryland) | 25.48 mi (41.00 km) |
| Difficult Run to Greendale (Wisconsin) | 621.60 mi (1,000.36 km) |
| Difficult Run to Greeneville (Tennessee) | 354.27 mi (570.14 km) |
| Difficult Run to Greenfield (California) | 2,385.95 mi (3,839.82 km) |
