| Difficult Run to Austin (Minnesota) | 874.18 mi (1,406.86 km) |
| Difficult Run to Austin (Texas) | 1,299.66 mi (2,091.60 km) |
| Difficult Run to Austintown (Ohio) | 234.89 mi (378.02 km) |
| Difficult Run to Avenal (California) | 2,332.40 mi (3,753.64 km) |
| Difficult Run to Avenel (New Jersey) | 200.51 mi (322.69 km) |
| Difficult Run to Aventura (Florida) | 908.95 mi (1,462.82 km) |
| Difficult Run to Avocado Heights (California) | 2,264.60 mi (3,644.52 km) |
| Difficult Run to Avon (Indiana) | 486.78 mi (783.40 km) |
| Difficult Run to Avon (Ohio) | 302.90 mi (487.46 km) |
| Difficult Run to Avon Lake (Ohio) | 304.56 mi (490.14 km) |
| Difficult Run to Avondale (Arizona) | 1,975.83 mi (3,179.79 km) |
| Difficult Run to Azalea Park (Florida) | 750.31 mi (1,207.51 km) |
| Difficult Run to Azle (Texas) | 1,200.70 mi (1,932.34 km) |
| Difficult Run to Azusa (California) | 2,257.66 mi (3,633.35 km) |
| Difficult Run to Bacliff (Texas) | 1,195.59 mi (1,924.12 km) |
