| Plasencia to Olympia Heights (Florida) | 4,297.42 mi (6,916.02 km) |
| Plasencia to Omaha (Nebraska) | 4,482.62 mi (7,214.09 km) |
| Plasencia to On Top of the World Designated Place (Florida) | 4,270.27 mi (6,872.34 km) |
| Plasencia to Onalaska (Wisconsin) | 4,178.21 mi (6,724.18 km) |
| Plasencia to Oneida (New York) | 3,497.37 mi (5,628.47 km) |
| Plasencia to Oneonta (New York) | 3,485.38 mi (5,609.17 km) |
| Plasencia to Ontario (California) | 5,713.09 mi (9,194.33 km) |
| Plasencia to Ontario (Oregon) | 5,215.23 mi (8,393.10 km) |
| Plasencia to Opa-locka (Florida) | 4,286.37 mi (6,898.25 km) |
| Plasencia to Opelika (Alabama) | 4,295.14 mi (6,912.36 km) |
| Plasencia to Opelousas (Louisiana) | 4,706.11 mi (7,573.75 km) |
| Plasencia to Orange (California) | 5,733.28 mi (9,226.83 km) |
| Plasencia to Orange (Texas) | 4,804.14 mi (7,731.52 km) |
| Plasencia to Orange City (Florida) | 4,225.66 mi (6,800.54 km) |
| Plasencia to Orangeburg (South Carolina) | 4,041.49 mi (6,504.15 km) |
