Campaign Planning

How Long Should a Billboard Campaign Run?

Four weeks, eight or twelve — how to match campaign length to the objective instead of the calendar.

Written by Crown Billboard Advertising·Updated September 2026·6 min read

JP Wiser's whiskey billboard with bold creative against a blue sky
A strong creative can carry a campaign for the full length of its flight.

There's no perfect billboard campaign length. There's only the length that matches what the campaign has to accomplish — and the most common mistake is buying a short flight for a long-term goal.

A four-week booking suits a launch or a promotion. A business trying to become the name people think of first needs the repetition that only comes with time.

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4, 8 and 12 Weeks Compared

Using Crown's current Mer-Bleue four-week rate purely as an illustration, here's how the arithmetic scales.

Illustrative campaign length comparison
Campaign lengthIllustrative media budgetIllustrative estimated impressions
4 weeks$2,100630,000
8 weeks$4,200~1.26 million
12 weeks$6,300~1.89 million

A simple mathematical illustration based on the current four-week rate — not a packaged offer or a guaranteed audience result. Confirm pricing and availability before planning.

Four weeks

A good fit for launches, local events, short promotions, first-time billboard advertisers and businesses testing a location before committing further.

Eight weeks

The point where the same commuters start seeing the message often enough for it to stick, rather than registering once and moving on.

Twelve weeks

Long enough to build real recognition — people know the name before they need the service. This is where awareness campaigns tend to earn out.

For the full pricing picture, see billboard advertising costs in Ottawa.

Why Repetition Matters

Nobody becomes a customer the first time they see a business name. Repeated exposure builds familiarity, and familiarity is what gets recalled at the moment of need. That matters most for businesses people only need occasionally:

  • lawyers
  • dentists
  • roofers
  • real estate professionals
  • automotive services
  • home improvement companies

When the need finally arrives, the familiar name has an advantage over the one being encountered for the first time.

Burger restaurant billboard creative against a bright blue sky
A bold, simple creative with one clear offer can stay effective for the full length of a campaign.

Not sure how long to run?

Tell us the objective and the timing, and we'll suggest a realistic flight.

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Choosing Duration by Objective

Grand opening

Concentrate exposure around the opening window rather than spreading it thin.

Seasonal promotion

Start before the buying period, not during it — people need to see it before they're shopping.

Brand awareness

Plan for a longer campaign built on repeated exposure to the same audience.

Event

Work backward from the event date and finish the day it happens.

Evergreen local service

Continuous recognition suits continuous presence; short bursts tend to fade between flights.

Length interacts with creative too — a message people can absorb quickly earns more from every week it runs. See how to design a billboard ad.

Frequently Asked Questions

Is four weeks long enough for a billboard?

It can be. Four weeks provides meaningful exposure for promotions, launches and first campaigns, though it rarely builds lasting recognition on its own.

Is a longer billboard campaign always better?

No. Duration should fit the objective and the budget. A long campaign in front of the wrong audience is just a longer mistake.

How much would eight weeks cost?

At Crown's current four-week Mer-Bleue rate, a simple two-period calculation is $4,200, subject to actual availability and campaign pricing.

How long should a branding campaign run?

Brand-awareness campaigns benefit from sustained repetition. The right duration depends on the market, budget and how often your audience passes the location.

Rates, availability and estimated impressions can change. Contact Crown for current campaign information.

About Crown Billboard Advertising

Crown Billboard Advertising works with advertisers and property owners across Ontario to plan billboard campaigns, evaluate locations and develop outdoor advertising opportunities.

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Tell us the objective and timing and we'll help you choose a campaign length that matches it.