| Chiaravalle to Olympia Heights (Florida) | 5,187.26 mi (8,348.08 km) |
| Chiaravalle to Omaha (Nebraska) | 5,119.14 mi (8,238.46 km) |
| Chiaravalle to On Top of the World Designated Place (Florida) | 5,121.76 mi (8,242.68 km) |
| Chiaravalle to Onalaska (Wisconsin) | 4,815.33 mi (7,749.53 km) |
| Chiaravalle to Oneida (New York) | 4,235.21 mi (6,815.92 km) |
| Chiaravalle to Oneonta (New York) | 4,234.53 mi (6,814.81 km) |
| Chiaravalle to Ontario (California) | 6,246.88 mi (10,053.38 km) |
| Chiaravalle to Ontario (Oregon) | 5,652.64 mi (9,097.04 km) |
| Chiaravalle to Opa-locka (Florida) | 5,175.31 mi (8,328.85 km) |
| Chiaravalle to Opelika (Alabama) | 5,095.58 mi (8,200.54 km) |
| Chiaravalle to Opelousas (Louisiana) | 5,483.97 mi (8,825.59 km) |
| Chiaravalle to Orange (California) | 6,267.25 mi (10,086.17 km) |
| Chiaravalle to Orange (Texas) | 5,574.36 mi (8,971.07 km) |
| Chiaravalle to Orange City (Florida) | 5,084.27 mi (8,182.34 km) |
| Chiaravalle to Orangeburg (South Carolina) | 4,860.52 mi (7,822.25 km) |
