| Pierre to Ashtabula (Ohio) | 996.92 mi (1,604.39 km) |
| Pierre to Ashwaubenon (Wisconsin) | 603.02 mi (970.46 km) |
| Pierre to Aspen Hill (Maryland) | 1,247.62 mi (2,007.85 km) |
| Pierre to Astoria (Oregon) | 1,144.36 mi (1,841.67 km) |
| Pierre to Atascadero (California) | 1,236.70 mi (1,990.28 km) |
| Pierre to Atascocita (Texas) | 1,033.42 mi (1,663.13 km) |
| Pierre to Atchison (Kansas) | 425.80 mi (685.26 km) |
| Pierre to Athens (Alabama) | 970.30 mi (1,561.55 km) |
| Pierre to Athens (Georgia) | 1,155.08 mi (1,858.91 km) |
| Pierre to Athens (Ohio) | 997.94 mi (1,606.02 km) |
| Pierre to Athens (Tennessee) | 1,033.01 mi (1,662.48 km) |
| Pierre to Athens (Texas) | 875.06 mi (1,408.27 km) |
| Pierre to Atlanta (Georgia) | 1,121.11 mi (1,804.26 km) |
| Pierre to Atlantic Beach (Florida) | 1,414.39 mi (2,276.25 km) |
| Pierre to Atlantic City (New Jersey) | 1,368.48 mi (2,202.35 km) |
