| Imperial to Odessa (Texas) | 774.31 mi (1,246.14 km) |
| Imperial to Ogden (Utah) | 612.59 mi (985.87 km) |
| Imperial to Oildale (California) | 266.71 mi (429.23 km) |
| Imperial to Ojus (Florida) | 2,173.36 mi (3,497.69 km) |
| Imperial to Okemos (Michigan) | 1,820.25 mi (2,929.40 km) |
| Imperial to Oklahoma City (Oklahoma) | 1,046.84 mi (1,684.72 km) |
| Imperial to Okmulgee (Oklahoma) | 1,132.07 mi (1,821.90 km) |
| Imperial to Olathe (Kansas) | 1,231.42 mi (1,981.78 km) |
| Imperial to Old Jamestown (Missouri) | 1,470.38 mi (2,366.34 km) |
| Imperial to Oldsmar (Florida) | 1,979.46 mi (3,185.64 km) |
| Imperial to Olean (New York) | 2,115.90 mi (3,405.21 km) |
| Imperial to Olive Branch (Mississippi) | 1,478.47 mi (2,379.37 km) |
| Imperial to Olivehurst (California) | 545.54 mi (877.96 km) |
| Imperial to Olney (Maryland) | 2,179.09 mi (3,506.91 km) |
| Imperial to Olympia (Washington) | 1,054.05 mi (1,696.33 km) |
