| State College to Odenton (Maryland) | 134.15 mi (215.90 km) |
| State College to Odessa (Texas) | 1,488.93 mi (2,396.19 km) |
| State College to Ogden (Utah) | 1,767.23 mi (2,844.08 km) |
| State College to Oildale (California) | 2,247.88 mi (3,617.61 km) |
| State College to Ojus (Florida) | 1,033.45 mi (1,663.17 km) |
| State College to Okemos (Michigan) | 362.84 mi (583.94 km) |
| State College to Oklahoma City (Oklahoma) | 1,126.96 mi (1,813.66 km) |
| State College to Okmulgee (Oklahoma) | 1,046.00 mi (1,683.38 km) |
| State College to Olathe (Kansas) | 908.11 mi (1,461.47 km) |
| State College to Old Jamestown (Missouri) | 672.60 mi (1,082.44 km) |
| State College to Oldsmar (Florida) | 921.61 mi (1,483.19 km) |
| State College to Olean (New York) | 94.05 mi (151.35 km) |
| State College to Olive Branch (Mississippi) | 766.97 mi (1,234.32 km) |
| State College to Olivehurst (California) | 2,294.09 mi (3,691.97 km) |
| State College to Olney (Maryland) | 120.98 mi (194.71 km) |
