| Royan to Southern Pines (North Carolina) | 4,019.90 mi (6,469.41 km) |
| Royan to Southfield (Michigan) | 3,901.02 mi (6,278.09 km) |
| Royan to Southgate (Michigan) | 3,909.15 mi (6,291.17 km) |
| Royan to Southlake (Texas) | 4,902.25 mi (7,889.42 km) |
| Royan to Spanaway (Washington) | 5,112.81 mi (8,228.28 km) |
| Royan to Spanish Fork (Utah) | 5,126.59 mi (8,250.44 km) |
| Royan to Spanish Lake (Missouri) | 4,345.26 mi (6,993.03 km) |
| Royan to Spanish Springs (Nevada) | 5,428.60 mi (8,736.49 km) |
| Royan to Sparks (Nevada) | 5,434.64 mi (8,746.20 km) |
| Royan to Spartanburg (South Carolina) | 4,144.48 mi (6,669.90 km) |
| Royan to Spearfish (South Dakota) | 4,629.82 mi (7,450.97 km) |
| Royan to Speedway (Indiana) | 4,134.71 mi (6,654.17 km) |
| Royan to Spencer (Iowa) | 4,360.72 mi (7,017.90 km) |
| Royan to Spokane (Washington) | 4,932.94 mi (7,938.80 km) |
| Royan to Spokane Valley (Washington) | 4,927.06 mi (7,929.34 km) |
