| Penarth to St. Simons (Georgia) | 4,082.71 mi (6,570.48 km) |
| Penarth to Stafford (Texas) | 4,744.14 mi (7,634.95 km) |
| Penarth to Stallings (North Carolina) | 3,864.68 mi (6,219.59 km) |
| Penarth to Stamford (Connecticut) | 3,302.82 mi (5,315.38 km) |
| Penarth to Stanford (California) | 5,278.80 mi (8,495.40 km) |
| Penarth to Stanton (California) | 5,350.70 mi (8,611.12 km) |
| Penarth to Star (Idaho) | 4,753.08 mi (7,649.34 km) |
| Penarth to Starkville (Mississippi) | 4,279.40 mi (6,887.04 km) |
| Penarth to State College (Pennsylvania) | 3,492.47 mi (5,620.59 km) |
| Penarth to Staten Island (New York) | 3,349.28 mi (5,390.15 km) |
| Penarth to Statesboro (Georgia) | 4,038.11 mi (6,498.71 km) |
| Penarth to Statesville (North Carolina) | 3,841.88 mi (6,182.90 km) |
| Penarth to Staunton (Virginia) | 3,658.22 mi (5,887.34 km) |
| Penarth to Steamboat Springs (Colorado) | 4,608.35 mi (7,416.43 km) |
| Penarth to Steiner Ranch (Texas) | 4,799.01 mi (7,723.25 km) |
