| Peer to Odessa (Texas) | 5,224.90 mi (8,408.67 km) |
| Peer to Ogden (Utah) | 5,029.65 mi (8,094.44 km) |
| Peer to Oildale (California) | 5,574.82 mi (8,971.81 km) |
| Peer to Ojus (Florida) | 4,658.46 mi (7,497.06 km) |
| Peer to Okemos (Michigan) | 4,011.03 mi (6,455.13 km) |
| Peer to Oklahoma City (Oklahoma) | 4,857.26 mi (7,817.00 km) |
| Peer to Okmulgee (Oklahoma) | 4,794.28 mi (7,715.66 km) |
| Peer to Olathe (Kansas) | 4,582.23 mi (7,374.38 km) |
| Peer to Old Jamestown (Missouri) | 4,417.34 mi (7,109.02 km) |
| Peer to Oldsmar (Florida) | 4,656.98 mi (7,494.68 km) |
| Peer to Olean (New York) | 3,810.54 mi (6,132.48 km) |
| Peer to Olive Branch (Mississippi) | 4,595.15 mi (7,395.18 km) |
| Peer to Olivehurst (California) | 5,430.96 mi (8,740.28 km) |
| Peer to Olney (Maryland) | 3,889.94 mi (6,260.26 km) |
| Peer to Olympia (Washington) | 4,993.53 mi (8,036.32 km) |
