| Rapla to Olympia Heights (Florida) | 5,214.76 mi (8,392.35 km) |
| Rapla to Omaha (Nebraska) | 4,732.06 mi (7,615.52 km) |
| Rapla to On Top of the World Designated Place (Florida) | 5,075.64 mi (8,168.45 km) |
| Rapla to Onalaska (Wisconsin) | 4,452.59 mi (7,165.74 km) |
| Rapla to Oneida (New York) | 4,067.15 mi (6,545.45 km) |
| Rapla to Oneonta (New York) | 4,083.92 mi (6,572.43 km) |
| Rapla to Ontario (California) | 5,656.14 mi (9,102.68 km) |
| Rapla to Ontario (Oregon) | 4,992.66 mi (8,034.91 km) |
| Rapla to Opa-locka (Florida) | 5,201.67 mi (8,371.29 km) |
| Rapla to Opelika (Alabama) | 4,958.24 mi (7,979.52 km) |
| Rapla to Opelousas (Louisiana) | 5,280.51 mi (8,498.15 km) |
| Rapla to Orange (California) | 5,675.48 mi (9,133.81 km) |
| Rapla to Orange (Texas) | 5,351.96 mi (8,613.15 km) |
| Rapla to Orange City (Florida) | 5,054.67 mi (8,134.70 km) |
| Rapla to Orangeburg (South Carolina) | 4,773.37 mi (7,682.00 km) |
