| Lake in the Hills to Odessa (Texas) | 1,047.91 mi (1,686.44 km) |
| Lake in the Hills to Ogden (Utah) | 1,216.27 mi (1,957.39 km) |
| Lake in the Hills to Oildale (California) | 1,706.43 mi (2,746.23 km) |
| Lake in the Hills to Ojus (Florida) | 1,214.17 mi (1,954.01 km) |
| Lake in the Hills to Okemos (Michigan) | 203.68 mi (327.79 km) |
| Lake in the Hills to Oklahoma City (Oklahoma) | 676.90 mi (1,089.36 km) |
| Lake in the Hills to Okmulgee (Oklahoma) | 612.79 mi (986.19 km) |
| Lake in the Hills to Olathe (Kansas) | 409.38 mi (658.83 km) |
| Lake in the Hills to Old Jamestown (Missouri) | 252.94 mi (407.07 km) |
| Lake in the Hills to Oldsmar (Florida) | 1,027.72 mi (1,653.96 km) |
| Lake in the Hills to Olean (New York) | 507.81 mi (817.23 km) |
| Lake in the Hills to Olive Branch (Mississippi) | 506.06 mi (814.43 km) |
| Lake in the Hills to Olivehurst (California) | 1,743.33 mi (2,805.62 km) |
| Lake in the Hills to Olney (Maryland) | 626.68 mi (1,008.55 km) |
| Lake in the Hills to Olympia (Washington) | 1,717.27 mi (2,763.68 km) |
