| Caceres to Olympia Heights (Florida) | 4,290.54 mi (6,904.95 km) |
| Caceres to Omaha (Nebraska) | 4,491.45 mi (7,228.29 km) |
| Caceres to On Top of the World Designated Place (Florida) | 4,266.38 mi (6,866.08 km) |
| Caceres to Onalaska (Wisconsin) | 4,187.40 mi (6,738.97 km) |
| Caceres to Oneida (New York) | 3,501.96 mi (5,635.85 km) |
| Caceres to Oneonta (New York) | 3,489.30 mi (5,615.48 km) |
| Caceres to Ontario (California) | 5,725.32 mi (9,214.02 km) |
| Caceres to Ontario (Oregon) | 5,232.12 mi (8,420.29 km) |
| Caceres to Opa-locka (Florida) | 4,279.57 mi (6,887.31 km) |
| Caceres to Opelika (Alabama) | 4,294.77 mi (6,911.77 km) |
| Caceres to Opelousas (Louisiana) | 4,706.75 mi (7,574.78 km) |
| Caceres to Orange (California) | 5,745.49 mi (9,246.47 km) |
| Caceres to Orange (Texas) | 4,805.15 mi (7,733.15 km) |
| Caceres to Orange City (Florida) | 4,221.28 mi (6,793.50 km) |
| Caceres to Orangeburg (South Carolina) | 4,040.14 mi (6,501.98 km) |
