| Difficult Run to Gonzalez (Florida) | 804.67 mi (1,295.00 km) |
| Difficult Run to Goodlettsville (Tennessee) | 541.59 mi (871.61 km) |
| Difficult Run to Goodyear (Arizona) | 1,981.08 mi (3,188.24 km) |
| Difficult Run to Goose Creek (South Carolina) | 434.44 mi (699.17 km) |
| Difficult Run to Goshen (Indiana) | 483.80 mi (778.60 km) |
| Difficult Run to Goulds (Florida) | 938.53 mi (1,510.42 km) |
| Difficult Run to Grafton (Wisconsin) | 629.99 mi (1,013.87 km) |
| Difficult Run to Graham (North Carolina) | 226.07 mi (363.83 km) |
| Difficult Run to Graham (Washington) | 2,306.55 mi (3,712.03 km) |
| Difficult Run to Grain Valley (Missouri) | 904.63 mi (1,455.87 km) |
| Difficult Run to Granbury (Texas) | 1,226.60 mi (1,974.02 km) |
| Difficult Run to Grand Forks (North Dakota) | 1,165.37 mi (1,875.49 km) |
| Difficult Run to Grand Haven (Michigan) | 544.14 mi (875.71 km) |
| Difficult Run to Grand Island (Nebraska) | 1,119.51 mi (1,801.68 km) |
| Difficult Run to Grand Junction (Colorado) | 1,668.21 mi (2,684.73 km) |
