The approach routes from the two valleys are very different.

This glacier forms part of the approach route to the mountain.

You can plan an approach route that way, plot maneuvers from one such point to another.

Major Batenin's instructions had suggested the best approach route and the bunker number-445-but nothing more.

I want you to set up to use the south and southeastern approach routes.

Airports are on approach routes to the city.

All the approach routes had to be monitored.

The corps found demolitions and mining on the approach routes difficult to negotiate.

We could have circled the place a dozen times, struck from north, south, east or west, but he lays his traps along the approach route.