| Llantrisant to Santa Rosa (California) | 5,225.15 mi (8,409.07 km) |
| Llantrisant to Santaquin (Utah) | 4,792.56 mi (7,712.87 km) |
| Llantrisant to Santee (California) | 5,358.22 mi (8,623.22 km) |
| Llantrisant to Sapulpa (Oklahoma) | 4,430.42 mi (7,130.07 km) |
| Llantrisant to Saraland (Alabama) | 4,367.88 mi (7,029.42 km) |
| Llantrisant to Sarasota (Florida) | 4,310.75 mi (6,937.48 km) |
| Llantrisant to Sarasota Springs (Florida) | 4,309.35 mi (6,935.23 km) |
| Llantrisant to Saratoga (California) | 5,271.69 mi (8,483.97 km) |
| Llantrisant to Saratoga Springs (New York) | 3,219.58 mi (5,181.41 km) |
| Llantrisant to Saratoga Springs (Utah) | 4,776.53 mi (7,687.09 km) |
| Llantrisant to Sartell (Minnesota) | 3,897.59 mi (6,272.57 km) |
| Llantrisant to Satellite Beach (Florida) | 4,186.69 mi (6,737.83 km) |
| Llantrisant to Sauk Rapids (Minnesota) | 3,896.13 mi (6,270.22 km) |
| Llantrisant to Sault Ste. Marie (Michigan) | 3,495.47 mi (5,625.42 km) |
| Llantrisant to Savage (Minnesota) | 3,906.21 mi (6,286.44 km) |
