| Lawrence to Olympia Heights (Florida) | 1,259.65 mi (2,027.21 km) |
| Lawrence to Omaha (Nebraska) | 164.49 mi (264.72 km) |
| Lawrence to On Top of the World Designated Place (Florida) | 1,005.85 mi (1,618.76 km) |
| Lawrence to Onalaska (Wisconsin) | 400.05 mi (643.81 km) |
| Lawrence to Oneida (New York) | 1,057.95 mi (1,702.61 km) |
| Lawrence to Oneonta (New York) | 1,082.29 mi (1,741.77 km) |
| Lawrence to Ontario (California) | 1,282.96 mi (2,064.73 km) |
| Lawrence to Ontario (Oregon) | 1,172.91 mi (1,887.62 km) |
| Lawrence to Opa-locka (Florida) | 1,253.71 mi (2,017.65 km) |
| Lawrence to Opelika (Alabama) | 703.74 mi (1,132.56 km) |
| Lawrence to Opelousas (Louisiana) | 610.02 mi (981.73 km) |
| Lawrence to Orange (California) | 1,300.53 mi (2,093.00 km) |
| Lawrence to Orange (Texas) | 616.52 mi (992.20 km) |
| Lawrence to Orange City (Florida) | 1,056.69 mi (1,700.58 km) |
| Lawrence to Orangeburg (South Carolina) | 885.52 mi (1,425.10 km) |
