| Ponca City to Oakleaf Plantation (Florida) | 986.47 mi (1,587.57 km) |
| Ponca City to Oakley (California) | 1,351.42 mi (2,174.91 km) |
| Ponca City to Oakton (Virginia) | 1,087.17 mi (1,749.63 km) |
| Ponca City to Oakville (Missouri) | 388.08 mi (624.56 km) |
| Ponca City to Oatfield (Oregon) | 1,450.75 mi (2,334.76 km) |
| Ponca City to Ocala (Florida) | 1,008.00 mi (1,622.21 km) |
| Ponca City to Ocean Acres (New Jersey) | 1,250.68 mi (2,012.78 km) |
| Ponca City to Ocean City (New Jersey) | 1,232.57 mi (1,983.62 km) |
| Ponca City to Ocean Pines (Maryland) | 1,203.25 mi (1,936.45 km) |
| Ponca City to Ocean Pointe (Hawaii) | 3,769.97 mi (6,067.18 km) |
| Ponca City to Ocean Springs (Mississippi) | 645.81 mi (1,039.33 km) |
| Ponca City to Oceanside (California) | 1,168.80 mi (1,881.00 km) |
| Ponca City to Oceanside (New York) | 1,288.30 mi (2,073.32 km) |
| Ponca City to Ocoee (Florida) | 1,062.44 mi (1,709.83 km) |
| Ponca City to Oconomowoc (Wisconsin) | 632.21 mi (1,017.44 km) |
