| Callaway to Oakley (California) | 2,124.11 mi (3,418.43 km) |
| Callaway to Oakton (Virginia) | 765.21 mi (1,231.49 km) |
| Callaway to Oakville (Missouri) | 635.22 mi (1,022.29 km) |
| Callaway to Oatfield (Oregon) | 2,254.51 mi (3,628.28 km) |
| Callaway to Ocala (Florida) | 214.90 mi (345.85 km) |
| Callaway to Ocean Acres (New Jersey) | 919.69 mi (1,480.10 km) |
| Callaway to Ocean City (New Jersey) | 884.90 mi (1,424.11 km) |
| Callaway to Ocean Pines (Maryland) | 822.45 mi (1,323.61 km) |
| Callaway to Ocean Pointe (Hawaii) | 4,480.07 mi (7,209.98 km) |
| Callaway to Ocean Springs (Mississippi) | 193.62 mi (311.59 km) |
| Callaway to Oceanside (California) | 1,871.92 mi (3,012.57 km) |
| Callaway to Oceanside (New York) | 986.55 mi (1,587.70 km) |
| Callaway to Ocoee (Florida) | 265.04 mi (426.54 km) |
| Callaway to Oconomowoc (Wisconsin) | 910.30 mi (1,464.99 km) |
| Callaway to Odenton (Maryland) | 795.90 mi (1,280.88 km) |
