| Barrhead to Smyrna (Delaware) | 3,344.60 mi (5,382.61 km) |
| Barrhead to Smyrna (Georgia) | 3,956.01 mi (6,366.58 km) |
| Barrhead to Smyrna (Tennessee) | 3,922.36 mi (6,312.43 km) |
| Barrhead to Snellville (Georgia) | 3,936.98 mi (6,335.96 km) |
| Barrhead to Snoqualmie (Washington) | 4,436.28 mi (7,139.50 km) |
| Barrhead to Snyder (Texas) | 4,618.33 mi (7,432.49 km) |
| Barrhead to Socastee (South Carolina) | 3,755.41 mi (6,043.74 km) |
| Barrhead to Socorro (Texas) | 4,864.32 mi (7,828.37 km) |
| Barrhead to Soddy-Daisy (Tennessee) | 3,908.53 mi (6,290.17 km) |
| Barrhead to Solana Beach (California) | 5,147.63 mi (8,284.31 km) |
| Barrhead to Soledad (California) | 5,068.65 mi (8,157.21 km) |
| Barrhead to Solon (Ohio) | 3,462.27 mi (5,571.98 km) |
| Barrhead to Somers Point (New Jersey) | 3,305.32 mi (5,319.39 km) |
| Barrhead to Somerset (Kentucky) | 3,793.88 mi (6,105.67 km) |
| Barrhead to Somerset (New Jersey) | 3,244.02 mi (5,220.75 km) |
