| Defiance to Ashtabula (Ohio) | 188.94 mi (304.08 km) |
| Defiance to Ashwaubenon (Wisconsin) | 290.39 mi (467.34 km) |
| Defiance to Aspen Hill (Maryland) | 412.93 mi (664.55 km) |
| Defiance to Astoria (Oregon) | 1,976.99 mi (3,181.66 km) |
| Defiance to Atascadero (California) | 1,992.41 mi (3,206.48 km) |
| Defiance to Atascocita (Texas) | 988.14 mi (1,590.26 km) |
| Defiance to Atchison (Kansas) | 578.46 mi (930.94 km) |
| Defiance to Athens (Alabama) | 470.36 mi (756.96 km) |
| Defiance to Athens (Georgia) | 509.41 mi (819.81 km) |
| Defiance to Athens (Ohio) | 180.27 mi (290.11 km) |
| Defiance to Athens (Tennessee) | 402.61 mi (647.93 km) |
| Defiance to Athens (Texas) | 890.87 mi (1,433.72 km) |
| Defiance to Atlanta (Georgia) | 519.49 mi (836.03 km) |
| Defiance to Atlantic Beach (Florida) | 773.90 mi (1,245.47 km) |
| Defiance to Atlantic City (New Jersey) | 538.07 mi (865.94 km) |
