| Horsforth to Smyrna (Delaware) | 3,482.29 mi (5,604.21 km) |
| Horsforth to Smyrna (Georgia) | 4,096.75 mi (6,593.09 km) |
| Horsforth to Smyrna (Tennessee) | 4,068.46 mi (6,547.56 km) |
| Horsforth to Snellville (Georgia) | 4,077.05 mi (6,561.38 km) |
| Horsforth to Snoqualmie (Washington) | 4,610.42 mi (7,419.76 km) |
| Horsforth to Snyder (Texas) | 4,775.99 mi (7,686.21 km) |
| Horsforth to Socastee (South Carolina) | 3,888.29 mi (6,257.60 km) |
| Horsforth to Socorro (Texas) | 5,025.82 mi (8,088.28 km) |
| Horsforth to Soddy-Daisy (Tennessee) | 4,052.05 mi (6,521.14 km) |
| Horsforth to Solana Beach (California) | 5,317.21 mi (8,557.22 km) |
| Horsforth to Soledad (California) | 5,241.00 mi (8,434.57 km) |
| Horsforth to Solon (Ohio) | 3,610.29 mi (5,810.21 km) |
| Horsforth to Somers Point (New Jersey) | 3,441.72 mi (5,538.92 km) |
| Horsforth to Somerset (Kentucky) | 3,939.26 mi (6,339.63 km) |
| Horsforth to Somerset (New Jersey) | 3,382.47 mi (5,443.56 km) |
