| Birsfelden to Smyrna (Delaware) | 4,012.31 mi (6,457.19 km) |
| Birsfelden to Smyrna (Georgia) | 4,631.35 mi (7,453.44 km) |
| Birsfelden to Smyrna (Tennessee) | 4,615.71 mi (7,428.27 km) |
| Birsfelden to Snellville (Georgia) | 4,610.10 mi (7,419.23 km) |
| Birsfelden to Snoqualmie (Washington) | 5,199.07 mi (8,367.10 km) |
| Birsfelden to Snyder (Texas) | 5,347.27 mi (8,605.60 km) |
| Birsfelden to Socastee (South Carolina) | 4,404.75 mi (7,088.76 km) |
| Birsfelden to Socorro (Texas) | 5,604.59 mi (9,019.71 km) |
| Birsfelden to Soddy-Daisy (Tennessee) | 4,593.37 mi (7,392.31 km) |
| Birsfelden to Solana Beach (California) | 5,908.83 mi (9,509.34 km) |
| Birsfelden to Soledad (California) | 5,834.14 mi (9,389.14 km) |
| Birsfelden to Solon (Ohio) | 4,163.25 mi (6,700.11 km) |
| Birsfelden to Somers Point (New Jersey) | 3,968.94 mi (6,387.40 km) |
| Birsfelden to Somerset (Kentucky) | 4,485.24 mi (7,218.30 km) |
| Birsfelden to Somerset (New Jersey) | 3,914.74 mi (6,300.16 km) |
