| South Huntington to Olympia (Washington) | 2,458.28 mi (3,956.23 km) |
| South Huntington to Olympia Heights (Florida) | 1,116.74 mi (1,797.22 km) |
| South Huntington to Omaha (Nebraska) | 1,177.93 mi (1,895.69 km) |
| South Huntington to On Top of the World Designated Place (Florida) | 952.18 mi (1,532.39 km) |
| South Huntington to Onalaska (Wisconsin) | 931.97 mi (1,499.86 km) |
| South Huntington to Oneida (New York) | 194.59 mi (313.16 km) |
| South Huntington to Oneonta (New York) | 142.12 mi (228.72 km) |
| South Huntington to Ontario (California) | 2,444.23 mi (3,933.60 km) |
| South Huntington to Ontario (Oregon) | 2,207.90 mi (3,553.27 km) |
| South Huntington to Opa-locka (Florida) | 1,103.56 mi (1,776.01 km) |
| South Huntington to Opelika (Alabama) | 869.32 mi (1,399.04 km) |
| South Huntington to Opelousas (Louisiana) | 1,263.21 mi (2,032.94 km) |
| South Huntington to Orange (California) | 2,462.20 mi (3,962.53 km) |
| South Huntington to Orange (Texas) | 1,358.60 mi (2,186.46 km) |
| South Huntington to Orange City (Florida) | 934.38 mi (1,503.74 km) |
