| Vaiano to Olympia Heights (Florida) | 5,074.89 mi (8,167.24 km) |
| Vaiano to Omaha (Nebraska) | 5,019.88 mi (8,078.71 km) |
| Vaiano to On Top of the World Designated Place (Florida) | 5,010.68 mi (8,063.92 km) |
| Vaiano to Onalaska (Wisconsin) | 4,715.57 mi (7,588.97 km) |
| Vaiano to Oneida (New York) | 4,128.70 mi (6,644.50 km) |
| Vaiano to Oneonta (New York) | 4,127.43 mi (6,642.46 km) |
| Vaiano to Ontario (California) | 6,156.97 mi (9,908.69 km) |
| Vaiano to Ontario (Oregon) | 5,569.37 mi (8,963.04 km) |
| Vaiano to Opa-locka (Florida) | 5,062.96 mi (8,148.05 km) |
| Vaiano to Opelika (Alabama) | 4,986.71 mi (8,025.34 km) |
| Vaiano to Opelousas (Louisiana) | 5,376.54 mi (8,652.70 km) |
| Vaiano to Orange (California) | 6,177.37 mi (9,941.52 km) |
| Vaiano to Orange (Texas) | 5,467.41 mi (8,798.95 km) |
| Vaiano to Orange City (Florida) | 4,972.90 mi (8,003.11 km) |
| Vaiano to Orangeburg (South Carolina) | 4,750.64 mi (7,645.42 km) |
