| Cayce to Odessa (Texas) | 1,241.55 mi (1,998.08 km) |
| Cayce to Ogden (Utah) | 1,755.87 mi (2,825.80 km) |
| Cayce to Oildale (California) | 2,147.33 mi (3,455.80 km) |
| Cayce to Ojus (Florida) | 554.54 mi (892.45 km) |
| Cayce to Okemos (Michigan) | 632.07 mi (1,017.21 km) |
| Cayce to Oklahoma City (Oklahoma) | 940.32 mi (1,513.29 km) |
| Cayce to Okmulgee (Oklahoma) | 856.13 mi (1,377.80 km) |
| Cayce to Olathe (Kansas) | 837.40 mi (1,347.66 km) |
| Cayce to Old Jamestown (Missouri) | 614.74 mi (989.32 km) |
| Cayce to Oldsmar (Florida) | 418.55 mi (673.59 km) |
| Cayce to Olean (New York) | 579.75 mi (933.01 km) |
| Cayce to Olive Branch (Mississippi) | 506.30 mi (814.81 km) |
| Cayce to Olivehurst (California) | 2,258.71 mi (3,635.05 km) |
| Cayce to Olney (Maryland) | 421.45 mi (678.25 km) |
| Cayce to Olympia (Washington) | 2,344.08 mi (3,772.43 km) |
