| Caldicot to Southern Pines (North Carolina) | 3,823.18 mi (6,152.81 km) |
| Caldicot to Southfield (Michigan) | 3,647.67 mi (5,870.35 km) |
| Caldicot to Southgate (Michigan) | 3,657.53 mi (5,886.22 km) |
| Caldicot to Southlake (Texas) | 4,648.50 mi (7,481.04 km) |
| Caldicot to Spanaway (Washington) | 4,740.89 mi (7,629.73 km) |
| Caldicot to Spanish Fork (Utah) | 4,798.65 mi (7,722.68 km) |
| Caldicot to Spanish Lake (Missouri) | 4,088.89 mi (6,580.43 km) |
| Caldicot to Spanish Springs (Nevada) | 5,080.37 mi (8,176.06 km) |
| Caldicot to Sparks (Nevada) | 5,086.49 mi (8,185.92 km) |
| Caldicot to Spartanburg (South Carolina) | 3,939.15 mi (6,339.44 km) |
| Caldicot to Spearfish (South Dakota) | 4,307.95 mi (6,932.98 km) |
| Caldicot to Speedway (Indiana) | 3,886.51 mi (6,254.73 km) |
| Caldicot to Spencer (Iowa) | 4,068.07 mi (6,546.93 km) |
| Caldicot to Spokane (Washington) | 4,569.64 mi (7,354.13 km) |
| Caldicot to Spokane Valley (Washington) | 4,564.18 mi (7,345.34 km) |
