| Leavenworth to Smyrna (Delaware) | 1,030.65 mi (1,658.68 km) |
| Leavenworth to Smyrna (Georgia) | 688.96 mi (1,108.77 km) |
| Leavenworth to Smyrna (Tennessee) | 514.29 mi (827.67 km) |
| Leavenworth to Snellville (Georgia) | 713.16 mi (1,147.72 km) |
| Leavenworth to Snoqualmie (Washington) | 1,455.44 mi (2,342.30 km) |
| Leavenworth to Snyder (Texas) | 565.89 mi (910.71 km) |
| Leavenworth to Socastee (South Carolina) | 964.11 mi (1,551.58 km) |
| Leavenworth to Socorro (Texas) | 828.73 mi (1,333.71 km) |
| Leavenworth to Soddy-Daisy (Tennessee) | 604.66 mi (973.11 km) |
| Leavenworth to Solana Beach (California) | 1,316.21 mi (2,118.24 km) |
| Leavenworth to Soledad (California) | 1,449.11 mi (2,332.11 km) |
| Leavenworth to Solon (Ohio) | 723.33 mi (1,164.09 km) |
| Leavenworth to Somers Point (New Jersey) | 1,083.70 mi (1,744.04 km) |
| Leavenworth to Somerset (Kentucky) | 580.57 mi (934.34 km) |
| Leavenworth to Somerset (New Jersey) | 1,082.95 mi (1,742.84 km) |
