| Street to Odessa (Texas) | 4,919.65 mi (7,917.41 km) |
| Street to Ogden (Utah) | 4,770.69 mi (7,677.69 km) |
| Street to Oildale (California) | 5,320.97 mi (8,563.27 km) |
| Street to Ojus (Florida) | 4,309.94 mi (6,936.18 km) |
| Street to Okemos (Michigan) | 3,696.70 mi (5,949.26 km) |
| Street to Oklahoma City (Oklahoma) | 4,549.64 mi (7,321.94 km) |
| Street to Okmulgee (Oklahoma) | 4,483.99 mi (7,216.28 km) |
| Street to Olathe (Kansas) | 4,277.18 mi (6,883.46 km) |
| Street to Old Jamestown (Missouri) | 4,103.62 mi (6,604.13 km) |
| Street to Oldsmar (Florida) | 4,313.07 mi (6,941.21 km) |
| Street to Olean (New York) | 3,485.24 mi (5,608.95 km) |
| Street to Olive Branch (Mississippi) | 4,272.26 mi (6,875.53 km) |
| Street to Olivehurst (California) | 5,193.93 mi (8,358.82 km) |
| Street to Olney (Maryland) | 3,556.28 mi (5,723.27 km) |
| Street to Olympia (Washington) | 4,782.27 mi (7,696.32 km) |
