| Vasto to Olympia Heights (Florida) | 5,290.46 mi (8,514.17 km) |
| Vasto to Omaha (Nebraska) | 5,240.21 mi (8,433.31 km) |
| Vasto to On Top of the World Designated Place (Florida) | 5,229.33 mi (8,415.79 km) |
| Vasto to Onalaska (Wisconsin) | 4,936.14 mi (7,943.95 km) |
| Vasto to Oneida (New York) | 4,350.67 mi (7,001.73 km) |
| Vasto to Oneonta (New York) | 4,349.29 mi (6,999.50 km) |
| Vasto to Ontario (California) | 6,370.74 mi (10,252.71 km) |
| Vasto to Ontario (Oregon) | 5,776.82 mi (9,296.89 km) |
| Vasto to Opa-locka (Florida) | 5,278.61 mi (8,495.11 km) |
| Vasto to Opelika (Alabama) | 5,207.76 mi (8,381.08 km) |
| Vasto to Opelousas (Louisiana) | 5,598.27 mi (9,009.54 km) |
| Vasto to Orange (California) | 6,391.12 mi (10,285.51 km) |
| Vasto to Orange (Texas) | 5,689.28 mi (9,156.01 km) |
| Vasto to Orange City (Florida) | 5,191.04 mi (8,354.17 km) |
| Vasto to Orangeburg (South Carolina) | 4,970.87 mi (7,999.85 km) |
