| Chula Vista to Olympia Heights (Florida) | 2,251.77 mi (3,623.87 km) |
| Chula Vista to Omaha (Nebraska) | 1,297.47 mi (2,088.07 km) |
| Chula Vista to On Top of the World Designated Place (Florida) | 2,064.80 mi (3,322.97 km) |
| Chula Vista to Onalaska (Wisconsin) | 1,592.07 mi (2,562.18 km) |
| Chula Vista to Oneida (New York) | 2,342.11 mi (3,769.27 km) |
| Chula Vista to Oneonta (New York) | 2,369.86 mi (3,813.93 km) |
| Chula Vista to Ontario (California) | 103.32 mi (166.28 km) |
| Chula Vista to Ontario (Oregon) | 787.51 mi (1,267.38 km) |
| Chula Vista to Opa-locka (Florida) | 2,252.32 mi (3,624.76 km) |
| Chula Vista to Opelika (Alabama) | 1,833.69 mi (2,951.03 km) |
| Chula Vista to Opelousas (Louisiana) | 1,471.43 mi (2,368.03 km) |
| Chula Vista to Orange (California) | 93.68 mi (150.77 km) |
| Chula Vista to Orange (Texas) | 1,379.83 mi (2,220.62 km) |
| Chula Vista to Orange City (Florida) | 2,126.06 mi (3,421.56 km) |
| Chula Vista to Orangeburg (South Carolina) | 2,083.37 mi (3,352.87 km) |
