| Didcot to St. George (Utah) | 5,077.57 mi (8,171.55 km) |
| Didcot to St. Helens (Oregon) | 4,862.10 mi (7,824.80 km) |
| Didcot to St. James (New York) | 3,371.59 mi (5,426.05 km) |
| Didcot to St. John (Indiana) | 3,915.94 mi (6,302.10 km) |
| Didcot to St. Joseph (Missouri) | 4,274.88 mi (6,879.75 km) |
| Didcot to St. Louis (Missouri) | 4,155.71 mi (6,687.97 km) |
| Didcot to St. Louis Park (Minnesota) | 3,972.32 mi (6,392.83 km) |
| Didcot to St. Marys (Georgia) | 4,189.13 mi (6,741.75 km) |
| Didcot to St. Marys (Pennsylvania) | 3,564.55 mi (5,736.58 km) |
| Didcot to St. Matthews (Kentucky) | 3,993.79 mi (6,427.39 km) |
| Didcot to St. Michael (Minnesota) | 3,972.25 mi (6,392.72 km) |
| Didcot to St. Paul (Minnesota) | 3,962.97 mi (6,377.78 km) |
| Didcot to St. Peter (Minnesota) | 4,023.08 mi (6,474.53 km) |
| Didcot to St. Peters (Missouri) | 4,162.56 mi (6,699.00 km) |
| Didcot to St. Petersburg (Florida) | 4,382.20 mi (7,052.47 km) |
