| Knowle to Smyrna (Delaware) | 3,505.79 mi (5,642.03 km) |
| Knowle to Smyrna (Georgia) | 4,122.47 mi (6,634.47 km) |
| Knowle to Smyrna (Tennessee) | 4,099.34 mi (6,597.25 km) |
| Knowle to Snellville (Georgia) | 4,102.15 mi (6,601.77 km) |
| Knowle to Snoqualmie (Washington) | 4,685.59 mi (7,540.73 km) |
| Knowle to Snyder (Texas) | 4,818.94 mi (7,755.34 km) |
| Knowle to Socastee (South Carolina) | 3,907.16 mi (6,287.97 km) |
| Knowle to Socorro (Texas) | 5,073.52 mi (8,165.04 km) |
| Knowle to Soddy-Daisy (Tennessee) | 4,080.42 mi (6,566.81 km) |
| Knowle to Solana Beach (California) | 5,377.59 mi (8,654.39 km) |
| Knowle to Soledad (California) | 5,307.88 mi (8,542.21 km) |
| Knowle to Solon (Ohio) | 3,643.47 mi (5,863.60 km) |
| Knowle to Somers Point (New Jersey) | 3,464.13 mi (5,574.97 km) |
| Knowle to Somerset (Kentucky) | 3,969.52 mi (6,388.33 km) |
| Knowle to Somerset (New Jersey) | 3,406.76 mi (5,482.65 km) |
