| Argenta to Olympia Heights (Florida) | 5,092.71 mi (8,195.93 km) |
| Argenta to Omaha (Nebraska) | 5,016.90 mi (8,073.93 km) |
| Argenta to On Top of the World Designated Place (Florida) | 5,024.83 mi (8,086.68 km) |
| Argenta to Onalaska (Wisconsin) | 4,713.12 mi (7,585.04 km) |
| Argenta to Oneida (New York) | 4,134.59 mi (6,653.98 km) |
| Argenta to Oneonta (New York) | 4,134.19 mi (6,653.34 km) |
| Argenta to Ontario (California) | 6,145.47 mi (9,890.17 km) |
| Argenta to Ontario (Oregon) | 5,552.82 mi (8,936.40 km) |
| Argenta to Opa-locka (Florida) | 5,080.71 mi (8,176.61 km) |
| Argenta to Opelika (Alabama) | 4,996.34 mi (8,040.83 km) |
| Argenta to Opelousas (Louisiana) | 5,383.76 mi (8,664.33 km) |
| Argenta to Orange (California) | 6,165.85 mi (9,922.97 km) |
| Argenta to Orange (Texas) | 5,473.89 mi (8,809.38 km) |
| Argenta to Orange City (Florida) | 4,987.76 mi (8,027.03 km) |
| Argenta to Orangeburg (South Carolina) | 4,762.18 mi (7,663.99 km) |
