| Didcot to Stonehaven | 372.25 mi (599.08 km) |
| Didcot to Stourbridge | 70.34 mi (113.20 km) |
| Didcot to Stowmarket | 103.71 mi (166.91 km) |
| Didcot to Stranraer | 276.23 mi (444.55 km) |
| Didcot to Stratford | 53.36 mi (85.87 km) |
| Didcot to Stratford-upon-Avon | 45.14 mi (72.64 km) |
| Didcot to Stratton Saint Margaret | 22.40 mi (36.06 km) |
| Didcot to Streatham | 49.60 mi (79.82 km) |
| Didcot to Street | 72.68 mi (116.96 km) |
| Didcot to Streetly | 72.43 mi (116.56 km) |
| Didcot to Stretford | 134.86 mi (217.03 km) |
| Didcot to Strood | 75.39 mi (121.32 km) |
| Didcot to Stroud | 42.81 mi (68.89 km) |
| Didcot to Sudbury | 39.71 mi (63.91 km) |
| Didcot to Sudbury | 89.32 mi (143.74 km) |
