Travel Recommendation: Toronto, ON to Canmore, AB
    Transport Mode: Air Travel
            - Companies: WestJet, Air Canada
         - Duration: Approximately 5 hours (including layover)
         - Distance: 2,300 miles (approximately 3,700 km)
         - Costs: £300 - £450 (round-trip, depending on booking time and class)
         - Roads/Routes: Not applicable for air travel
     
    Pro Tip: Book your flights during weekdays for better rates and less crowded flights.
        Transport Mode: Car Rental (when in Calgary)
            - Companies: Enterprise, Hertz
         - Duration: Approximately 1.5 hours from Calgary to Canmore
         - Distance: 80 miles (approximately 130 km)
         - Costs: £60 - £100 per day (for rental car), plus fuel costs of approximately £15-£25
         - Roads/Routes: Follow the Trans-Canada Highway (AB-1) westbound
     
    Pro Tip: Consider getting a vehicle with winter tyres if you travel between October and March, as roads may be icy.
        Overall Recommendation
    The most efficient way to travel from Toronto to Canmore is by flying to Calgary with WestJet or Air Canada, which should cost around £300 to £450. After arriving in Calgary, you can rent a car for approximately £60 to £100 per day to drive to Canmore, with a scenic drive along the Trans-Canada Highway taking about 1.5 hours. Overall, the total distance covered would be around 2,380 miles (3,820 km) and the total journey could take approximately 6.5 hours considering the flights and car rental time.