| Lapseki to Olympia Heights (Florida) | 5,901.46 mi (9,497.49 km) |
| Lapseki to Omaha (Nebraska) | 5,753.64 mi (9,259.59 km) |
| Lapseki to On Top of the World Designated Place (Florida) | 5,828.14 mi (9,379.49 km) |
| Lapseki to Onalaska (Wisconsin) | 5,454.21 mi (8,777.71 km) |
| Lapseki to Oneida (New York) | 4,915.91 mi (7,911.40 km) |
| Lapseki to Oneonta (New York) | 4,918.60 mi (7,915.71 km) |
| Lapseki to Ontario (California) | 6,816.28 mi (10,969.74 km) |
| Lapseki to Ontario (Oregon) | 6,184.84 mi (9,953.54 km) |
| Lapseki to Opa-locka (Florida) | 5,889.38 mi (9,478.03 km) |
| Lapseki to Opelika (Alabama) | 5,788.53 mi (9,315.75 km) |
| Lapseki to Opelousas (Louisiana) | 6,167.44 mi (9,925.54 km) |
| Lapseki to Orange (California) | 6,836.36 mi (11,002.06 km) |
| Lapseki to Orange (Texas) | 6,254.63 mi (10,065.86 km) |
| Lapseki to Orange City (Florida) | 5,792.41 mi (9,321.99 km) |
| Lapseki to Orangeburg (South Carolina) | 5,559.91 mi (8,947.81 km) |
