| Llanelli to St. Simons (Georgia) | 4,037.32 mi (6,497.44 km) |
| Llanelli to Stafford (Texas) | 4,698.03 mi (7,560.74 km) |
| Llanelli to Stallings (North Carolina) | 3,818.93 mi (6,145.98 km) |
| Llanelli to Stamford (Connecticut) | 3,256.96 mi (5,241.58 km) |
| Llanelli to Stanford (California) | 5,235.93 mi (8,426.42 km) |
| Llanelli to Stanton (California) | 5,306.51 mi (8,540.01 km) |
| Llanelli to Star (Idaho) | 4,710.28 mi (7,580.46 km) |
| Llanelli to Starkville (Mississippi) | 4,233.35 mi (6,812.93 km) |
| Llanelli to State College (Pennsylvania) | 3,446.45 mi (5,546.52 km) |
| Llanelli to Staten Island (New York) | 3,303.44 mi (5,316.37 km) |
| Llanelli to Statesboro (Georgia) | 3,992.54 mi (6,425.38 km) |
| Llanelli to Statesville (North Carolina) | 3,796.06 mi (6,109.17 km) |
| Llanelli to Staunton (Virginia) | 3,612.32 mi (5,813.46 km) |
| Llanelli to Steamboat Springs (Colorado) | 4,563.54 mi (7,344.30 km) |
| Llanelli to Steiner Ranch (Texas) | 4,752.88 mi (7,649.02 km) |
