| Caldicot to Security-Widefield (Colorado) | 4,632.35 mi (7,455.05 km) |
| Caldicot to Sedalia (Missouri) | 4,209.76 mi (6,774.96 km) |
| Caldicot to Sedro-Woolley (Washington) | 4,656.36 mi (7,493.69 km) |
| Caldicot to Seguin (Texas) | 4,854.36 mi (7,812.34 km) |
| Caldicot to Selden (New York) | 3,305.75 mi (5,320.10 km) |
| Caldicot to Selma (Alabama) | 4,271.12 mi (6,873.70 km) |
| Caldicot to Selma (California) | 5,253.16 mi (8,454.15 km) |
| Caldicot to Selma (Texas) | 4,868.13 mi (7,834.50 km) |
| Caldicot to Seminole (Florida) | 4,321.45 mi (6,954.71 km) |
| Caldicot to Seven Hills (Ohio) | 3,633.43 mi (5,847.45 km) |
| Caldicot to Seven Oaks (South Carolina) | 3,949.45 mi (6,356.03 km) |
| Caldicot to Severn (Maryland) | 3,531.33 mi (5,683.13 km) |
| Caldicot to Severna Park (Maryland) | 3,528.26 mi (5,678.19 km) |
| Caldicot to Sevierville (Tennessee) | 3,961.82 mi (6,375.94 km) |
| Caldicot to Seymour (Indiana) | 3,911.67 mi (6,295.22 km) |
