| Mercer Island to Arcata (California) | 472.12 mi (759.80 km) |
| Mercer Island to Archdale (North Carolina) | 2,290.57 mi (3,686.31 km) |
| Mercer Island to Arden-Arcade (California) | 620.84 mi (999.15 km) |
| Mercer Island to Ardmore (Oklahoma) | 1,592.60 mi (2,563.04 km) |
| Mercer Island to Ardmore (Pennsylvania) | 2,361.07 mi (3,799.77 km) |
| Mercer Island to Arecibo (Puerto Rico) | 3,689.89 mi (5,938.30 km) |
| Mercer Island to Arkadelphia (Arkansas) | 1,768.86 mi (2,846.71 km) |
| Mercer Island to Arkansas City (Kansas) | 1,467.61 mi (2,361.89 km) |
| Mercer Island to Arlington (Tennessee) | 1,870.76 mi (3,010.69 km) |
| Mercer Island to Arlington (Texas) | 1,664.71 mi (2,679.09 km) |
| Mercer Island to Arlington (Virginia) | 2,315.03 mi (3,725.68 km) |
| Mercer Island to Arlington (Washington) | 41.93 mi (67.48 km) |
| Mercer Island to Arlington Heights (Illinois) | 1,705.49 mi (2,744.72 km) |
| Mercer Island to Arnold (Maryland) | 2,337.47 mi (3,761.79 km) |
| Mercer Island to Arnold (Missouri) | 1,714.39 mi (2,759.04 km) |
