| Pembroke Dock to Smyrna (Delaware) | 3,386.93 mi (5,450.74 km) |
| Pembroke Dock to Smyrna (Georgia) | 4,005.07 mi (6,445.54 km) |
| Pembroke Dock to Smyrna (Tennessee) | 3,986.71 mi (6,415.99 km) |
| Pembroke Dock to Snellville (Georgia) | 3,984.23 mi (6,411.99 km) |
| Pembroke Dock to Snoqualmie (Washington) | 4,634.63 mi (7,458.71 km) |
| Pembroke Dock to Snyder (Texas) | 4,718.53 mi (7,593.74 km) |
| Pembroke Dock to Socastee (South Carolina) | 3,784.21 mi (6,090.09 km) |
| Pembroke Dock to Socorro (Texas) | 4,978.61 mi (8,012.30 km) |
| Pembroke Dock to Soddy-Daisy (Tennessee) | 3,965.45 mi (6,381.78 km) |
| Pembroke Dock to Solana Beach (California) | 5,299.91 mi (8,529.38 km) |
| Pembroke Dock to Soledad (California) | 5,240.81 mi (8,434.27 km) |
| Pembroke Dock to Solon (Ohio) | 3,533.48 mi (5,686.59 km) |
| Pembroke Dock to Somers Point (New Jersey) | 3,344.36 mi (5,382.23 km) |
| Pembroke Dock to Somerset (Kentucky) | 3,856.41 mi (6,206.29 km) |
| Pembroke Dock to Somerset (New Jersey) | 3,288.66 mi (5,292.58 km) |
