| Kirkby to Orangevale (California) | 5,087.07 mi (8,186.85 km) |
| Kirkby to Orchards (Washington) | 4,720.27 mi (7,596.55 km) |
| Kirkby to Orcutt (California) | 5,284.39 mi (8,504.40 km) |
| Kirkby to Oregon (Ohio) | 3,635.28 mi (5,850.42 km) |
| Kirkby to Oregon (Wisconsin) | 3,798.43 mi (6,112.98 km) |
| Kirkby to Oregon City (Oregon) | 4,741.88 mi (7,631.32 km) |
| Kirkby to Orem (Utah) | 4,703.36 mi (7,569.33 km) |
| Kirkby to Orinda (California) | 5,162.11 mi (8,307.61 km) |
| Kirkby to Orland Park (Illinois) | 3,804.65 mi (6,122.99 km) |
| Kirkby to Orlando (Florida) | 4,200.46 mi (6,759.98 km) |
| Kirkby to Ormond Beach (Florida) | 4,148.79 mi (6,676.83 km) |
| Kirkby to Oro Valley (Arizona) | 5,115.91 mi (8,233.27 km) |
| Kirkby to Oroville (California) | 5,050.10 mi (8,127.35 km) |
| Kirkby to Oshkosh (Wisconsin) | 3,716.34 mi (5,980.87 km) |
| Kirkby to Oskaloosa (Iowa) | 3,996.40 mi (6,431.59 km) |
