| Store to Olympia Heights (Florida) | 5,209.83 mi (8,384.41 km) |
| Store to Omaha (Nebraska) | 5,067.16 mi (8,154.81 km) |
| Store to On Top of the World Designated Place (Florida) | 5,130.82 mi (8,257.25 km) |
| Store to Onalaska (Wisconsin) | 4,765.71 mi (7,669.67 km) |
| Store to Oneida (New York) | 4,215.90 mi (6,784.83 km) |
| Store to Oneonta (New York) | 4,218.31 mi (6,788.71 km) |
| Store to Ontario (California) | 6,163.91 mi (9,919.85 km) |
| Store to Ontario (Oregon) | 5,553.87 mi (8,938.10 km) |
| Store to Opa-locka (Florida) | 5,197.60 mi (8,364.73 km) |
| Store to Opelika (Alabama) | 5,088.20 mi (8,188.67 km) |
| Store to Opelousas (Louisiana) | 5,467.36 mi (8,798.87 km) |
| Store to Orange (California) | 6,184.19 mi (9,952.50 km) |
| Store to Orange (Texas) | 5,554.94 mi (8,939.81 km) |
| Store to Orange City (Florida) | 5,096.00 mi (8,201.22 km) |
| Store to Orangeburg (South Carolina) | 4,860.43 mi (7,822.11 km) |
