Fox has the double-header this weekend, with the Cincinnati Bengals kicking off at 1 PM, hosting the Dallas Cowboys. Whenever a game features an AFC and NFC team squaring off against each other, the network that covers the visiting team has broadcast rights. In this case it's Fox.
Nearly the entire state of Ohio and surrounding states, including spots on the East Coast and most of South, Southwest and West Coast.
If you live in the Cincinnati area, here's the TV schedule for Sunday.
Cowboys at Bengals (FOX)
Dolphins at 49ers (CBS)
Saints at Giants (FOX)
To find out which games are in your area, check out the506.com.