| Corpus Christi to Olympia Heights (Florida) | 1,059.63 mi (1,705.31 km) |
| Corpus Christi to Omaha (Nebraska) | 938.34 mi (1,510.11 km) |
| Corpus Christi to On Top of the World Designated Place (Florida) | 921.31 mi (1,482.71 km) |
| Corpus Christi to Onalaska (Wisconsin) | 1,168.14 mi (1,879.94 km) |
| Corpus Christi to Oneida (New York) | 1,609.96 mi (2,590.97 km) |
| Corpus Christi to Oneonta (New York) | 1,611.87 mi (2,594.05 km) |
| Corpus Christi to Ontario (California) | 1,273.69 mi (2,049.80 km) |
| Corpus Christi to Ontario (Oregon) | 1,564.43 mi (2,517.70 km) |
| Corpus Christi to Opa-locka (Florida) | 1,062.43 mi (1,709.82 km) |
| Corpus Christi to Opelika (Alabama) | 792.93 mi (1,276.09 km) |
| Corpus Christi to Opelousas (Louisiana) | 373.51 mi (601.10 km) |
| Corpus Christi to Orange (California) | 1,281.71 mi (2,062.71 km) |
| Corpus Christi to Orange (Texas) | 274.29 mi (441.43 km) |
| Corpus Christi to Orange City (Florida) | 981.28 mi (1,579.21 km) |
| Corpus Christi to Orangeburg (South Carolina) | 1,057.94 mi (1,702.59 km) |
