The C-141 headed north on the great circle route to Moscow.

But something called great circle routes made it shorter to go way out of your way.

The great circle route is not used in this example because the route travels mostly over land.

Once more the senior chief typed- a great circle route meant the shortest distance between two points on the globe.

They both lie on a great circle route passing through the poles.

The migrants follow a great circle route, which is shorter although more challenging.

Great circle route: The shortest distance between two places on the Earth's surface.

Woolaroc flew a great circle route flying at 4,000 to 6,000 feet of altitude.

So, a great circle route, and Shambhala comes to us.

When operating a full circle route, trains start through the Common Tunnel.