| Keighley to Olympia Heights (Florida) | 4,338.99 mi (6,982.92 km) |
| Keighley to Omaha (Nebraska) | 4,142.67 mi (6,666.98 km) |
| Keighley to On Top of the World Designated Place (Florida) | 4,240.96 mi (6,825.16 km) |
| Keighley to Onalaska (Wisconsin) | 3,840.83 mi (6,181.22 km) |
| Keighley to Oneida (New York) | 3,300.50 mi (5,311.64 km) |
| Keighley to Oneonta (New York) | 3,305.22 mi (5,319.23 km) |
| Keighley to Ontario (California) | 5,257.99 mi (8,461.92 km) |
| Keighley to Ontario (Oregon) | 4,668.07 mi (7,512.54 km) |
| Keighley to Opa-locka (Florida) | 4,326.38 mi (6,962.63 km) |
| Keighley to Opelika (Alabama) | 4,180.46 mi (6,727.79 km) |
| Keighley to Opelousas (Louisiana) | 4,551.61 mi (7,325.12 km) |
| Keighley to Orange (California) | 5,278.37 mi (8,494.71 km) |
| Keighley to Orange (Texas) | 4,637.30 mi (7,463.02 km) |
| Keighley to Orange City (Florida) | 4,209.83 mi (6,775.06 km) |
| Keighley to Orangeburg (South Carolina) | 3,960.70 mi (6,374.14 km) |
