| Bettendorf to Olympia Heights (Florida) | 1,238.04 mi (1,992.43 km) |
| Bettendorf to Omaha (Nebraska) | 289.66 mi (466.15 km) |
| Bettendorf to On Top of the World Designated Place (Florida) | 975.71 mi (1,570.25 km) |
| Bettendorf to Onalaska (Wisconsin) | 164.71 mi (265.07 km) |
| Bettendorf to Oneida (New York) | 762.95 mi (1,227.85 km) |
| Bettendorf to Oneonta (New York) | 792.40 mi (1,275.24 km) |
| Bettendorf to Ontario (California) | 1,561.93 mi (2,513.68 km) |
| Bettendorf to Ontario (Oregon) | 1,348.31 mi (2,169.89 km) |
| Bettendorf to Opa-locka (Florida) | 1,229.33 mi (1,978.41 km) |
| Bettendorf to Opelika (Alabama) | 676.03 mi (1,087.97 km) |
| Bettendorf to Opelousas (Louisiana) | 768.03 mi (1,236.03 km) |
| Bettendorf to Orange (California) | 1,580.42 mi (2,543.43 km) |
| Bettendorf to Orange (Texas) | 811.58 mi (1,306.11 km) |
| Bettendorf to Orange City (Florida) | 1,013.65 mi (1,631.32 km) |
| Bettendorf to Orangeburg (South Carolina) | 766.06 mi (1,232.86 km) |
