| Pierre to Arcata (California) | 1,227.40 mi (1,975.31 km) |
| Pierre to Archdale (North Carolina) | 1,219.68 mi (1,962.88 km) |
| Pierre to Arden-Arcade (California) | 1,156.89 mi (1,861.84 km) |
| Pierre to Ardmore (Oklahoma) | 723.66 mi (1,164.61 km) |
| Pierre to Ardmore (Pennsylvania) | 1,310.72 mi (2,109.39 km) |
| Pierre to Arecibo (Puerto Rico) | 2,637.20 mi (4,244.17 km) |
| Pierre to Arkadelphia (Arkansas) | 806.60 mi (1,298.09 km) |
| Pierre to Arkansas City (Kansas) | 532.88 mi (857.58 km) |
| Pierre to Arlington (Tennessee) | 844.87 mi (1,359.68 km) |
| Pierre to Arlington (Texas) | 824.76 mi (1,327.32 km) |
| Pierre to Arlington (Virginia) | 1,252.93 mi (2,016.39 km) |
| Pierre to Arlington (Washington) | 1,070.77 mi (1,723.23 km) |
| Pierre to Arlington Heights (Illinois) | 640.03 mi (1,030.02 km) |
| Pierre to Arnold (Maryland) | 1,277.59 mi (2,056.09 km) |
| Pierre to Arnold (Missouri) | 658.33 mi (1,059.49 km) |
