| Johnson City to Olympia Heights (Florida) | 743.37 mi (1,196.34 km) |
| Johnson City to Omaha (Nebraska) | 809.72 mi (1,303.12 km) |
| Johnson City to On Top of the World Designated Place (Florida) | 499.91 mi (804.52 km) |
| Johnson City to Onalaska (Wisconsin) | 698.81 mi (1,124.62 km) |
| Johnson City to Oneida (New York) | 586.21 mi (943.41 km) |
| Johnson City to Oneonta (New York) | 574.86 mi (925.14 km) |
| Johnson City to Ontario (California) | 1,984.46 mi (3,193.68 km) |
| Johnson City to Ontario (Oregon) | 1,886.33 mi (3,035.75 km) |
| Johnson City to Opa-locka (Florida) | 732.21 mi (1,178.37 km) |
| Johnson City to Opelika (Alabama) | 306.12 mi (492.66 km) |
| Johnson City to Opelousas (Louisiana) | 688.11 mi (1,107.40 km) |
| Johnson City to Orange (California) | 2,000.60 mi (3,219.66 km) |
| Johnson City to Orange (Texas) | 784.69 mi (1,262.84 km) |
| Johnson City to Orange City (Florida) | 515.61 mi (829.80 km) |
| Johnson City to Orangeburg (South Carolina) | 214.63 mi (345.41 km) |
