| Pembroke Dock to Superior (Colorado) | 4,504.98 mi (7,250.07 km) |
| Pembroke Dock to Superior (Wisconsin) | 3,709.05 mi (5,969.13 km) |
| Pembroke Dock to Surprise (Arizona) | 5,094.84 mi (8,199.36 km) |
| Pembroke Dock to Susanville (California) | 4,993.96 mi (8,037.00 km) |
| Pembroke Dock to Sussex (Wisconsin) | 3,722.78 mi (5,991.24 km) |
| Pembroke Dock to Suwanee (Georgia) | 3,977.58 mi (6,401.30 km) |
| Pembroke Dock to Swansea (Illinois) | 4,002.61 mi (6,441.58 km) |
| Pembroke Dock to Sweetwater (Florida) | 4,228.85 mi (6,805.68 km) |
| Pembroke Dock to Sweetwater (Texas) | 4,711.71 mi (7,582.77 km) |
| Pembroke Dock to Sycamore (Illinois) | 3,791.85 mi (6,102.40 km) |
| Pembroke Dock to Sylacauga (Alabama) | 4,110.00 mi (6,614.40 km) |
| Pembroke Dock to Sylvania (Ohio) | 3,609.80 mi (5,809.41 km) |
| Pembroke Dock to Syosset (New York) | 3,234.30 mi (5,205.10 km) |
| Pembroke Dock to Syracuse (New York) | 3,249.59 mi (5,229.71 km) |
| Pembroke Dock to Syracuse (Utah) | 4,683.28 mi (7,537.00 km) |
