| Callaway to Orangevale (California) | 2,102.35 mi (3,383.40 km) |
| Callaway to Orchards (Washington) | 2,256.56 mi (3,631.58 km) |
| Callaway to Orcutt (California) | 2,047.38 mi (3,294.94 km) |
| Callaway to Oregon (Ohio) | 804.54 mi (1,294.79 km) |
| Callaway to Oregon (Wisconsin) | 908.71 mi (1,462.42 km) |
| Callaway to Oregon City (Oregon) | 2,253.18 mi (3,626.14 km) |
| Callaway to Orem (Utah) | 1,625.96 mi (2,616.73 km) |
| Callaway to Orinda (California) | 2,149.94 mi (3,460.00 km) |
| Callaway to Orland Park (Illinois) | 803.03 mi (1,292.35 km) |
| Callaway to Orlando (Florida) | 278.82 mi (448.72 km) |
| Callaway to Ormond Beach (Florida) | 273.51 mi (440.17 km) |
| Callaway to Oro Valley (Arizona) | 1,505.81 mi (2,423.36 km) |
| Callaway to Oroville (California) | 2,126.40 mi (3,422.11 km) |
| Callaway to Oshkosh (Wisconsin) | 973.56 mi (1,566.79 km) |
| Callaway to Oskaloosa (Iowa) | 866.52 mi (1,394.53 km) |
