| Kirkby to Odessa (Texas) | 4,839.01 mi (7,787.64 km) |
| Kirkby to Ogden (Utah) | 4,660.91 mi (7,501.02 km) |
| Kirkby to Oildale (California) | 5,208.96 mi (8,383.01 km) |
| Kirkby to Ojus (Florida) | 4,283.00 mi (6,892.82 km) |
| Kirkby to Okemos (Michigan) | 3,623.60 mi (5,831.62 km) |
| Kirkby to Oklahoma City (Oklahoma) | 4,470.85 mi (7,195.13 km) |
| Kirkby to Okmulgee (Oklahoma) | 4,407.43 mi (7,093.07 km) |
| Kirkby to Olathe (Kansas) | 4,196.25 mi (6,753.21 km) |
| Kirkby to Old Jamestown (Missouri) | 4,030.01 mi (6,485.67 km) |
| Kirkby to Oldsmar (Florida) | 4,276.46 mi (6,882.30 km) |
| Kirkby to Olean (New York) | 3,423.11 mi (5,508.97 km) |
| Kirkby to Olive Branch (Mississippi) | 4,207.50 mi (6,771.32 km) |
| Kirkby to Olivehurst (California) | 5,074.25 mi (8,166.22 km) |
| Kirkby to Olney (Maryland) | 3,504.19 mi (5,639.44 km) |
| Kirkby to Olympia (Washington) | 4,652.39 mi (7,487.31 km) |
