| Ploemeur to Olympia Heights (Florida) | 4,333.01 mi (6,973.30 km) |
| Ploemeur to Omaha (Nebraska) | 4,304.04 mi (6,926.68 km) |
| Ploemeur to On Top of the World Designated Place (Florida) | 4,265.45 mi (6,864.57 km) |
| Ploemeur to Onalaska (Wisconsin) | 3,998.39 mi (6,434.79 km) |
| Ploemeur to Oneida (New York) | 3,389.23 mi (5,454.44 km) |
| Ploemeur to Oneonta (New York) | 3,386.51 mi (5,450.06 km) |
| Ploemeur to Ontario (California) | 5,477.69 mi (8,815.49 km) |
| Ploemeur to Ontario (Oregon) | 4,924.11 mi (7,924.60 km) |
| Ploemeur to Opa-locka (Florida) | 4,320.97 mi (6,953.93 km) |
| Ploemeur to Opelika (Alabama) | 4,242.23 mi (6,827.20 km) |
| Ploemeur to Opelousas (Louisiana) | 4,634.42 mi (7,458.38 km) |
| Ploemeur to Orange (California) | 5,498.11 mi (8,848.35 km) |
| Ploemeur to Orange (Texas) | 4,726.30 mi (7,606.24 km) |
| Ploemeur to Orange City (Florida) | 4,228.03 mi (6,804.36 km) |
| Ploemeur to Orangeburg (South Carolina) | 4,005.21 mi (6,445.76 km) |
