| Saint-Louis to Archdale (North Carolina) | 4,341.60 mi (6,987.14 km) |
| Saint-Louis to Arden-Arcade (California) | 5,705.17 mi (9,181.58 km) |
| Saint-Louis to Ardmore (Oklahoma) | 5,121.96 mi (8,243.00 km) |
| Saint-Louis to Ardmore (Pennsylvania) | 3,965.83 mi (6,382.39 km) |
| Saint-Louis to Arecibo (Puerto Rico) | 4,560.39 mi (7,339.23 km) |
| Saint-Louis to Arkadelphia (Arkansas) | 4,966.05 mi (7,992.08 km) |
| Saint-Louis to Arkansas City (Kansas) | 4,973.24 mi (8,003.66 km) |
| Saint-Louis to Arlington (Tennessee) | 4,773.90 mi (7,682.85 km) |
| Saint-Louis to Arlington (Texas) | 5,198.02 mi (8,365.41 km) |
| Saint-Louis to Arlington (Virginia) | 4,089.62 mi (6,581.61 km) |
| Saint-Louis to Arlington (Washington) | 5,165.85 mi (8,313.63 km) |
| Saint-Louis to Arlington Heights (Illinois) | 4,385.93 mi (7,058.48 km) |
| Saint-Louis to Arnold (Maryland) | 4,057.12 mi (6,529.31 km) |
| Saint-Louis to Arnold (Missouri) | 4,649.98 mi (7,483.43 km) |
| Saint-Louis to Arroyo Grande (California) | 5,885.40 mi (9,471.63 km) |
