| Red Oak to Security-Widefield (Colorado) | 618.65 mi (995.62 km) |
| Red Oak to Sedalia (Missouri) | 471.51 mi (758.82 km) |
| Red Oak to Sedro-Woolley (Washington) | 1,719.68 mi (2,767.56 km) |
| Red Oak to Seguin (Texas) | 214.30 mi (344.89 km) |
| Red Oak to Selden (New York) | 1,430.21 mi (2,301.70 km) |
| Red Oak to Selma (Alabama) | 568.38 mi (914.72 km) |
| Red Oak to Selma (California) | 1,325.55 mi (2,133.27 km) |
| Red Oak to Selma (Texas) | 221.98 mi (357.24 km) |
| Red Oak to Seminole (Florida) | 895.67 mi (1,441.44 km) |
| Red Oak to Seven Hills (Ohio) | 1,032.38 mi (1,661.46 km) |
| Red Oak to Seven Oaks (South Carolina) | 908.76 mi (1,462.51 km) |
| Red Oak to Severn (Maryland) | 1,211.39 mi (1,949.54 km) |
| Red Oak to Severna Park (Maryland) | 1,217.02 mi (1,958.61 km) |
| Red Oak to Sevierville (Tennessee) | 789.60 mi (1,270.73 km) |
| Red Oak to Seymour (Indiana) | 754.44 mi (1,214.16 km) |
