| Deltona to Odessa (Texas) | 1,273.94 mi (2,050.21 km) |
| Deltona to Ogden (Utah) | 1,922.61 mi (3,094.14 km) |
| Deltona to Oildale (California) | 2,243.20 mi (3,610.08 km) |
| Deltona to Ojus (Florida) | 213.72 mi (343.95 km) |
| Deltona to Okemos (Michigan) | 970.04 mi (1,561.13 km) |
| Deltona to Oklahoma City (Oklahoma) | 1,053.64 mi (1,695.66 km) |
| Deltona to Okmulgee (Oklahoma) | 979.21 mi (1,575.88 km) |
| Deltona to Olathe (Kansas) | 1,039.11 mi (1,672.28 km) |
| Deltona to Old Jamestown (Missouri) | 860.33 mi (1,384.56 km) |
| Deltona to Oldsmar (Florida) | 106.33 mi (171.11 km) |
| Deltona to Olean (New York) | 923.64 mi (1,486.45 km) |
| Deltona to Olive Branch (Mississippi) | 656.27 mi (1,056.17 km) |
| Deltona to Olivehurst (California) | 2,393.93 mi (3,852.66 km) |
| Deltona to Olney (Maryland) | 746.07 mi (1,200.69 km) |
| Deltona to Olympia (Washington) | 2,552.13 mi (4,107.26 km) |
