| Tire to Olympia Heights (Florida) | 6,029.33 mi (9,703.27 km) |
| Tire to Omaha (Nebraska) | 5,910.23 mi (9,511.59 km) |
| Tire to On Top of the World Designated Place (Florida) | 5,962.52 mi (9,595.75 km) |
| Tire to Onalaska (Wisconsin) | 5,609.92 mi (9,028.29 km) |
| Tire to Oneida (New York) | 5,061.61 mi (8,145.87 km) |
| Tire to Oneonta (New York) | 5,063.17 mi (8,148.39 km) |
| Tire to Ontario (California) | 6,980.13 mi (11,233.44 km) |
| Tire to Ontario (Oregon) | 6,350.17 mi (10,219.61 km) |
| Tire to Opa-locka (Florida) | 6,017.39 mi (9,684.05 km) |
| Tire to Opelika (Alabama) | 5,930.02 mi (9,543.45 km) |
| Tire to Opelousas (Louisiana) | 6,312.73 mi (10,159.36 km) |
| Tire to Orange (California) | 7,000.24 mi (11,265.80 km) |
| Tire to Orange (Texas) | 6,401.04 mi (10,301.48 km) |
| Tire to Orange City (Florida) | 5,925.56 mi (9,536.26 km) |
| Tire to Orangeburg (South Carolina) | 5,698.31 mi (9,170.55 km) |
