| Koping to Olympia Heights (Florida) | 4,913.37 mi (7,907.31 km) |
| Koping to Omaha (Nebraska) | 4,479.42 mi (7,208.93 km) |
| Koping to On Top of the World Designated Place (Florida) | 4,779.86 mi (7,692.44 km) |
| Koping to Onalaska (Wisconsin) | 4,193.99 mi (6,749.57 km) |
| Koping to Oneida (New York) | 3,779.03 mi (6,081.75 km) |
| Koping to Oneonta (New York) | 3,793.96 mi (6,105.79 km) |
| Koping to Ontario (California) | 5,451.34 mi (8,773.08 km) |
| Koping to Ontario (Oregon) | 4,801.38 mi (7,727.08 km) |
| Koping to Opa-locka (Florida) | 4,900.32 mi (7,886.31 km) |
| Koping to Opelika (Alabama) | 4,671.21 mi (7,517.59 km) |
| Koping to Opelousas (Louisiana) | 5,003.03 mi (8,051.60 km) |
| Koping to Orange (California) | 5,471.05 mi (8,804.80 km) |
| Koping to Orange (Texas) | 5,077.36 mi (8,171.22 km) |
| Koping to Orange City (Florida) | 4,757.34 mi (7,656.20 km) |
| Koping to Orangeburg (South Carolina) | 4,480.24 mi (7,210.25 km) |
