| Forest Grove to San Luis Obispo (California) | 720.16 mi (1,158.99 km) |
| Forest Grove to San Marcos (California) | 912.23 mi (1,468.10 km) |
| Forest Grove to San Marcos (Texas) | 1,737.48 mi (2,796.21 km) |
| Forest Grove to San Marino (California) | 830.77 mi (1,337.00 km) |
| Forest Grove to San Mateo (California) | 552.35 mi (888.93 km) |
| Forest Grove to San Pablo (California) | 523.93 mi (843.18 km) |
| Forest Grove to San Rafael (California) | 521.41 mi (839.13 km) |
| Forest Grove to San Ramon (California) | 539.69 mi (868.54 km) |
| Forest Grove to San Tan Valley (Arizona) | 1,050.35 mi (1,690.37 km) |
| Forest Grove to Sand Springs (Oklahoma) | 1,542.81 mi (2,482.91 km) |
| Forest Grove to Sandusky (Ohio) | 2,023.41 mi (3,256.36 km) |
| Forest Grove to Sandy (Oregon) | 41.62 mi (66.98 km) |
| Forest Grove to Sandy (Utah) | 662.65 mi (1,066.44 km) |
| Forest Grove to Sandy Springs (Georgia) | 2,183.24 mi (3,513.59 km) |
| Forest Grove to Sanford (Florida) | 2,540.05 mi (4,087.81 km) |
