| Shannon to Smyrna (Delaware) | 3,209.28 mi (5,164.84 km) |
| Shannon to Smyrna (Georgia) | 3,826.92 mi (6,158.84 km) |
| Shannon to Smyrna (Tennessee) | 3,807.25 mi (6,127.18 km) |
| Shannon to Snellville (Georgia) | 3,806.27 mi (6,125.59 km) |
| Shannon to Snoqualmie (Washington) | 4,470.94 mi (7,195.28 km) |
| Shannon to Snyder (Texas) | 4,538.15 mi (7,303.44 km) |
| Shannon to Socastee (South Carolina) | 3,608.51 mi (5,807.33 km) |
| Shannon to Socorro (Texas) | 4,798.66 mi (7,722.70 km) |
| Shannon to Soddy-Daisy (Tennessee) | 3,786.56 mi (6,093.88 km) |
| Shannon to Solana Beach (California) | 5,123.88 mi (8,246.08 km) |
| Shannon to Soledad (California) | 5,068.81 mi (8,157.45 km) |
| Shannon to Solon (Ohio) | 3,353.54 mi (5,397.00 km) |
| Shannon to Somers Point (New Jersey) | 3,167.08 mi (5,096.92 km) |
| Shannon to Somerset (Kentucky) | 3,677.05 mi (5,917.64 km) |
| Shannon to Somerset (New Jersey) | 3,110.71 mi (5,006.20 km) |
