| Lemay to Olympia Heights (Florida) | 1,057.60 mi (1,702.05 km) |
| Lemay to Omaha (Nebraska) | 359.16 mi (578.01 km) |
| Lemay to On Top of the World Designated Place (Florida) | 796.10 mi (1,281.19 km) |
| Lemay to Onalaska (Wisconsin) | 373.14 mi (600.51 km) |
| Lemay to Oneida (New York) | 825.27 mi (1,328.14 km) |
| Lemay to Oneonta (New York) | 842.88 mi (1,356.48 km) |
| Lemay to Ontario (California) | 1,547.00 mi (2,489.65 km) |
| Lemay to Ontario (Oregon) | 1,429.94 mi (2,301.26 km) |
| Lemay to Opa-locka (Florida) | 1,049.89 mi (1,689.63 km) |
| Lemay to Opelika (Alabama) | 490.31 mi (789.08 km) |
| Lemay to Opelousas (Louisiana) | 562.59 mi (905.40 km) |
| Lemay to Orange (California) | 1,564.12 mi (2,517.21 km) |
| Lemay to Orange (Texas) | 613.85 mi (987.89 km) |
| Lemay to Orange City (Florida) | 839.84 mi (1,351.60 km) |
| Lemay to Orangeburg (South Carolina) | 630.55 mi (1,014.77 km) |
