| Tigard to Smithville (Missouri) | 1,489.61 mi (2,397.29 km) |
| Tigard to Smyrna (Delaware) | 2,410.14 mi (3,878.75 km) |
| Tigard to Smyrna (Georgia) | 2,162.42 mi (3,480.08 km) |
| Tigard to Smyrna (Tennessee) | 1,988.95 mi (3,200.91 km) |
| Tigard to Snellville (Georgia) | 2,187.33 mi (3,520.17 km) |
| Tigard to Snoqualmie (Washington) | 152.25 mi (245.02 km) |
| Tigard to Snyder (Texas) | 1,457.54 mi (2,345.68 km) |
| Tigard to Socastee (South Carolina) | 2,434.65 mi (3,918.20 km) |
| Tigard to Socorro (Texas) | 1,300.59 mi (2,093.11 km) |
| Tigard to Soddy-Daisy (Tennessee) | 2,079.39 mi (3,346.46 km) |
| Tigard to Solana Beach (California) | 907.75 mi (1,460.89 km) |
| Tigard to Soledad (California) | 625.01 mi (1,005.86 km) |
| Tigard to Solon (Ohio) | 2,070.87 mi (3,332.74 km) |
| Tigard to Somers Point (New Jersey) | 2,457.62 mi (3,955.16 km) |
| Tigard to Somerset (Kentucky) | 2,043.66 mi (3,288.96 km) |
