| South Daytona to Olympia (Washington) | 2,549.85 mi (4,103.59 km) |
| South Daytona to Olympia Heights (Florida) | 241.28 mi (388.31 km) |
| South Daytona to Omaha (Nebraska) | 1,188.28 mi (1,912.36 km) |
| South Daytona to On Top of the World Designated Place (Florida) | 77.43 mi (124.60 km) |
| South Daytona to Onalaska (Wisconsin) | 1,162.16 mi (1,870.32 km) |
| South Daytona to Oneida (New York) | 1,005.79 mi (1,618.67 km) |
| South Daytona to Oneonta (New York) | 975.98 mi (1,570.68 km) |
| South Daytona to Ontario (California) | 2,168.41 mi (3,489.72 km) |
| South Daytona to Ontario (Oregon) | 2,220.05 mi (3,572.82 km) |
| South Daytona to Opa-locka (Florida) | 230.29 mi (370.62 km) |
| South Daytona to Opelika (Alabama) | 354.15 mi (569.96 km) |
| South Daytona to Opelousas (Louisiana) | 670.11 mi (1,078.44 km) |
| South Daytona to Orange (California) | 2,181.18 mi (3,510.28 km) |
| South Daytona to Orange (Texas) | 768.39 mi (1,236.61 km) |
| South Daytona to Orange City (Florida) | 23.36 mi (37.60 km) |
