| Gretna to Sudbury | 4,650.00 mi (7,483.45 km) |
| Gretna to Sunbury | 4,618.04 mi (7,432.02 km) |
| Gretna to Sunderland | 4,504.43 mi (7,249.18 km) |
| Gretna to Sunninghill | 4,609.12 mi (7,417.66 km) |
| Gretna to Surbiton | 4,623.46 mi (7,440.74 km) |
| Gretna to Sutton | 4,628.62 mi (7,449.04 km) |
| Gretna to Sutton Coldfield | 4,536.40 mi (7,300.63 km) |
| Gretna to Sutton in Ashfield | 4,546.59 mi (7,317.03 km) |
| Gretna to Sutton on Hull | 4,569.64 mi (7,354.13 km) |
| Gretna to Swadlincote | 4,542.44 mi (7,310.34 km) |
| Gretna to Swallownest | 4,538.98 mi (7,304.78 km) |
| Gretna to Swanage | 4,573.39 mi (7,360.16 km) |
| Gretna to Swindon | 4,559.80 mi (7,338.29 km) |
| Gretna to Swinton | 4,536.70 mi (7,301.11 km) |
| Gretna to Swinton | 4,495.98 mi (7,235.58 km) |
