What actually determines whether you show up in the map pack?

Three factors, only two of which you control

Google describes local ranking as a combination of relevance, distance and prominence. That framing is genuinely useful because it separates the levers into different kinds of work. Relevance is configuration. Prominence is accumulation. Distance is geography, and no amount of optimization moves a building.

Distance dominates more than most people expect. In a dense metro, a profile can be excellent on every other dimension and still lose to a mediocre competitor two miles closer to the searcher. This is why a single ranking number for a city is meaningless — the result set changes as the searcher moves.

What each factor is actually made of

• Relevance. Primary and secondary categories first. Then the services list, the profile's business description, and the content of the pages the profile links to.
• Distance. Measured from the searcher's location to your address, including for service area businesses whose address is hidden. Declared service areas do not change this.
• Prominence. Review count and rating, review recency, links to your site from real local sources, unstructured mentions in news and community sites, and how often people search your brand name directly.

Diagnose in order, not in parallel

Most local SEO work is spent on the wrong factor. Run the check in sequence. First, are you eligible at all — is your primary category the one the winners use? If not, nothing else matters yet. Second, is the gap a distance problem — do you rank well near your address and fall off sharply a few miles out? That is a normal, expected shape and the fix is prominence or another real location, not more edits.

Only after those two is prominence worth attacking, and prominence is slow. Reviews accumulate on a job-by-job cadence, links accumulate from things you actually do in the community. There is no configuration change that produces prominence.

The uncomfortable part

Some rankings are not winnable. A service business twenty minutes outside a dense downtown will not out-rank the downtown incumbents for downtown searches, and pretending otherwise wastes budget. The honest move is to measure where your booked jobs actually come from, concentrate on the geography you can win, and cover the rest with paid channels and Local Services Ads, where placement is bought rather than earned.

That decision needs revenue data, not rank data. Joining map-pack calls to completed jobs in your field service system tells you which zip codes deserve the investment.