| Oak Harbor to Silver Firs (Washington) | 37.32 mi (60.06 km) |
| Oak Harbor to Silver Spring (Maryland) | 2,331.54 mi (3,752.26 km) |
| Oak Harbor to Silver Springs Shores (Florida) | 2,518.09 mi (4,052.48 km) |
| Oak Harbor to Silverdale (Washington) | 43.60 mi (70.16 km) |
| Oak Harbor to Silverton (Oregon) | 227.66 mi (366.38 km) |
| Oak Harbor to Simi Valley (California) | 989.80 mi (1,592.93 km) |
| Oak Harbor to Simpsonville (South Carolina) | 2,256.81 mi (3,631.99 km) |
| Oak Harbor to Sioux City (Iowa) | 1,327.28 mi (2,136.05 km) |
| Oak Harbor to Sioux Falls (South Dakota) | 1,280.91 mi (2,061.42 km) |
| Oak Harbor to Skokie (Illinois) | 1,737.65 mi (2,796.47 km) |
| Oak Harbor to Sleepy Hollow (New York) | 2,403.82 mi (3,868.58 km) |
| Oak Harbor to Slidell (Louisiana) | 2,126.59 mi (3,422.41 km) |
| Oak Harbor to Smithfield (North Carolina) | 2,402.97 mi (3,867.20 km) |
| Oak Harbor to Smithfield (Utah) | 689.81 mi (1,110.15 km) |
| Oak Harbor to Smithville (Missouri) | 1,516.51 mi (2,440.58 km) |
