| Hannibal to Ashtabula (Ohio) | 573.73 mi (923.32 km) |
| Hannibal to Ashwaubenon (Wisconsin) | 370.49 mi (596.24 km) |
| Hannibal to Aspen Hill (Maryland) | 764.45 mi (1,230.27 km) |
| Hannibal to Astoria (Oregon) | 1,686.18 mi (2,713.64 km) |
| Hannibal to Atascadero (California) | 1,622.46 mi (2,611.10 km) |
| Hannibal to Atascocita (Texas) | 705.93 mi (1,136.09 km) |
| Hannibal to Atchison (Kansas) | 199.40 mi (320.90 km) |
| Hannibal to Athens (Alabama) | 418.85 mi (674.08 km) |
| Hannibal to Athens (Georgia) | 595.60 mi (958.52 km) |
| Hannibal to Athens (Ohio) | 495.92 mi (798.10 km) |
| Hannibal to Athens (Tennessee) | 473.59 mi (762.17 km) |
| Hannibal to Athens (Texas) | 574.73 mi (924.94 km) |
| Hannibal to Atlanta (Georgia) | 563.42 mi (906.74 km) |
| Hannibal to Atlantic Beach (Florida) | 858.05 mi (1,380.90 km) |
| Hannibal to Atlantic City (New Jersey) | 901.57 mi (1,450.93 km) |
