| Oklahoma City to Odenton (Maryland) | 1,168.71 mi (1,880.86 km) |
| Oklahoma City to Odessa (Texas) | 372.21 mi (599.01 km) |
| Oklahoma City to Ogden (Utah) | 877.01 mi (1,411.41 km) |
| Oklahoma City to Oildale (California) | 1,208.69 mi (1,945.20 km) |
| Oklahoma City to Ojus (Florida) | 1,219.54 mi (1,962.66 km) |
| Oklahoma City to Okemos (Michigan) | 860.74 mi (1,385.23 km) |
| Oklahoma City to Okmulgee (Oklahoma) | 85.31 mi (137.29 km) |
| Oklahoma City to Olathe (Kansas) | 278.69 mi (448.51 km) |
| Oklahoma City to Old Jamestown (Missouri) | 461.03 mi (741.95 km) |
| Oklahoma City to Oldsmar (Florida) | 1,009.76 mi (1,625.04 km) |
| Oklahoma City to Olean (New York) | 1,121.62 mi (1,805.07 km) |
| Oklahoma City to Olive Branch (Mississippi) | 434.08 mi (698.59 km) |
| Oklahoma City to Olivehurst (California) | 1,341.14 mi (2,158.36 km) |
| Oklahoma City to Olney (Maryland) | 1,149.16 mi (1,849.39 km) |
| Oklahoma City to Olympia (Washington) | 1,531.58 mi (2,464.84 km) |
