| Spoltore to Olympia Heights (Florida) | 5,254.55 mi (8,456.37 km) |
| Spoltore to Omaha (Nebraska) | 5,202.80 mi (8,373.10 km) |
| Spoltore to On Top of the World Designated Place (Florida) | 5,192.78 mi (8,356.97 km) |
| Spoltore to Onalaska (Wisconsin) | 4,898.71 mi (7,883.70 km) |
| Spoltore to Oneida (New York) | 4,313.28 mi (6,941.55 km) |
| Spoltore to Oneonta (New York) | 4,311.94 mi (6,939.40 km) |
| Spoltore to Ontario (California) | 6,334.16 mi (10,193.84 km) |
| Spoltore to Ontario (Oregon) | 5,741.12 mi (9,239.44 km) |
| Spoltore to Opa-locka (Florida) | 5,242.68 mi (8,437.28 km) |
| Spoltore to Opelika (Alabama) | 5,170.65 mi (8,321.36 km) |
| Spoltore to Opelousas (Louisiana) | 5,560.97 mi (8,949.51 km) |
| Spoltore to Orange (California) | 6,354.54 mi (10,226.64 km) |
| Spoltore to Orange (Texas) | 5,651.93 mi (9,095.91 km) |
| Spoltore to Orange City (Florida) | 5,154.59 mi (8,295.52 km) |
| Spoltore to Orangeburg (South Carolina) | 4,933.96 mi (7,940.45 km) |
