| Royston to Oakley (California) | 5,296.10 mi (8,523.25 km) |
| Royston to Oakton (Virginia) | 3,668.80 mi (5,904.36 km) |
| Royston to Oakville (Missouri) | 4,201.22 mi (6,761.22 km) |
| Royston to Oatfield (Oregon) | 4,890.73 mi (7,870.87 km) |
| Royston to Ocala (Florida) | 4,335.32 mi (6,977.02 km) |
| Royston to Ocean Acres (New Jersey) | 3,507.97 mi (5,645.53 km) |
| Royston to Ocean City (New Jersey) | 3,542.27 mi (5,700.74 km) |
| Royston to Ocean Pines (Maryland) | 3,604.44 mi (5,800.79 km) |
| Royston to Ocean Pointe (Hawaii) | 7,196.81 mi (11,582.15 km) |
| Royston to Ocean Springs (Mississippi) | 4,543.67 mi (7,312.34 km) |
| Royston to Oceanside (California) | 5,436.71 mi (8,749.54 km) |
| Royston to Oceanside (New York) | 3,442.49 mi (5,540.15 km) |
| Royston to Ocoee (Florida) | 4,339.86 mi (6,984.34 km) |
| Royston to Oconomowoc (Wisconsin) | 3,909.53 mi (6,291.79 km) |
| Royston to Odenton (Maryland) | 3,636.18 mi (5,851.86 km) |
