| Didcot to Security-Widefield (Colorado) | 4,685.09 mi (7,539.93 km) |
| Didcot to Sedalia (Missouri) | 4,266.84 mi (6,866.81 km) |
| Didcot to Sedro-Woolley (Washington) | 4,695.60 mi (7,556.84 km) |
| Didcot to Seguin (Texas) | 4,913.27 mi (7,907.14 km) |
| Didcot to Selden (New York) | 3,367.47 mi (5,419.42 km) |
| Didcot to Selma (Alabama) | 4,332.30 mi (6,972.16 km) |
| Didcot to Selma (California) | 5,299.85 mi (8,529.29 km) |
| Didcot to Selma (Texas) | 4,926.92 mi (7,929.12 km) |
| Didcot to Seminole (Florida) | 4,384.65 mi (7,056.42 km) |
| Didcot to Seven Hills (Ohio) | 3,692.86 mi (5,943.08 km) |
| Didcot to Seven Oaks (South Carolina) | 4,011.55 mi (6,455.97 km) |
| Didcot to Severn (Maryland) | 3,592.86 mi (5,782.15 km) |
| Didcot to Severna Park (Maryland) | 3,589.83 mi (5,777.28 km) |
| Didcot to Sevierville (Tennessee) | 4,022.81 mi (6,474.08 km) |
| Didcot to Seymour (Indiana) | 3,970.92 mi (6,390.58 km) |
