| Santa Barbara to Olympia (Washington) | 887.00 mi (1,427.49 km) |
| Santa Barbara to Olympia Heights (Florida) | 2,414.09 mi (3,885.11 km) |
| Santa Barbara to Omaha (Nebraska) | 1,369.62 mi (2,204.20 km) |
| Santa Barbara to On Top of the World Designated Place (Florida) | 2,216.78 mi (3,567.57 km) |
| Santa Barbara to Onalaska (Wisconsin) | 1,650.87 mi (2,656.82 km) |
| Santa Barbara to Oneida (New York) | 2,418.55 mi (3,892.28 km) |
| Santa Barbara to Oneonta (New York) | 2,449.83 mi (3,942.63 km) |
| Santa Barbara to Ontario (California) | 123.70 mi (199.08 km) |
| Santa Barbara to Ontario (Oregon) | 679.07 mi (1,092.87 km) |
| Santa Barbara to Opa-locka (Florida) | 2,413.95 mi (3,884.87 km) |
| Santa Barbara to Opelika (Alabama) | 1,972.04 mi (3,173.69 km) |
| Santa Barbara to Opelousas (Louisiana) | 1,628.21 mi (2,620.35 km) |
| Santa Barbara to Orange (California) | 116.85 mi (188.06 km) |
| Santa Barbara to Orange (Texas) | 1,540.95 mi (2,479.91 km) |
| Santa Barbara to Orange City (Florida) | 2,277.61 mi (3,665.46 km) |
