| Made to Olympia Heights (Florida) | 4,641.31 mi (7,469.47 km) |
| Made to Omaha (Nebraska) | 4,460.10 mi (7,177.83 km) |
| Made to On Top of the World Designated Place (Florida) | 4,549.40 mi (7,321.55 km) |
| Made to Onalaska (Wisconsin) | 4,158.57 mi (6,692.58 km) |
| Made to Oneida (New York) | 3,616.60 mi (5,820.36 km) |
| Made to Oneonta (New York) | 3,620.64 mi (5,826.85 km) |
| Made to Ontario (California) | 5,566.94 mi (8,959.13 km) |
| Made to Ontario (Oregon) | 4,968.61 mi (7,996.20 km) |
| Made to Opa-locka (Florida) | 4,628.82 mi (7,449.36 km) |
| Made to Opelika (Alabama) | 4,494.47 mi (7,233.15 km) |
| Made to Opelousas (Louisiana) | 4,868.00 mi (7,834.29 km) |
| Made to Orange (California) | 5,587.29 mi (8,991.87 km) |
| Made to Orange (Texas) | 4,954.20 mi (7,973.02 km) |
| Made to Orange City (Florida) | 4,517.06 mi (7,269.51 km) |
| Made to Orangeburg (South Carolina) | 4,272.16 mi (6,875.38 km) |
