| Herne to Olympia Heights (Florida) | 4,744.34 mi (7,635.27 km) |
| Herne to Omaha (Nebraska) | 4,549.44 mi (7,321.62 km) |
| Herne to On Top of the World Designated Place (Florida) | 4,651.06 mi (7,485.16 km) |
| Herne to Onalaska (Wisconsin) | 4,248.74 mi (6,837.69 km) |
| Herne to Oneida (New York) | 3,714.39 mi (5,977.73 km) |
| Herne to Oneonta (New York) | 3,719.01 mi (5,985.17 km) |
| Herne to Ontario (California) | 5,645.83 mi (9,086.09 km) |
| Herne to Ontario (Oregon) | 5,041.17 mi (8,112.98 km) |
| Herne to Opa-locka (Florida) | 4,731.82 mi (7,615.13 km) |
| Herne to Opelika (Alabama) | 4,593.82 mi (7,393.04 km) |
| Herne to Opelousas (Louisiana) | 4,965.51 mi (7,991.21 km) |
| Herne to Orange (California) | 5,666.14 mi (9,118.78 km) |
| Herne to Orange (Texas) | 5,051.12 mi (8,128.99 km) |
| Herne to Orange City (Florida) | 4,619.06 mi (7,433.66 km) |
| Herne to Orangeburg (South Carolina) | 4,372.77 mi (7,037.29 km) |
