| Mercer Island to Allison Park (Pennsylvania) | 2,125.54 mi (3,420.72 km) |
| Mercer Island to Allouez (Wisconsin) | 1,641.52 mi (2,641.78 km) |
| Mercer Island to Aloha (Oregon) | 146.50 mi (235.77 km) |
| Mercer Island to Alpena (Michigan) | 1,839.67 mi (2,960.66 km) |
| Mercer Island to Alpharetta (Georgia) | 2,164.95 mi (3,484.15 km) |
| Mercer Island to Alpine (California) | 1,056.72 mi (1,700.63 km) |
| Mercer Island to Alpine (Utah) | 713.66 mi (1,148.52 km) |
| Mercer Island to Alsip (Illinois) | 1,729.37 mi (2,783.16 km) |
| Mercer Island to Altadena (California) | 948.12 mi (1,525.85 km) |
| Mercer Island to Altamont (Oregon) | 371.73 mi (598.24 km) |
| Mercer Island to Altamonte Springs (Florida) | 2,534.65 mi (4,079.13 km) |
| Mercer Island to Alton (Illinois) | 1,707.47 mi (2,747.91 km) |
| Mercer Island to Alton (Texas) | 1,960.45 mi (3,155.04 km) |
| Mercer Island to Altoona (Iowa) | 1,462.83 mi (2,354.19 km) |
| Mercer Island to Altoona (Pennsylvania) | 2,200.21 mi (3,540.89 km) |
