| Seclin to Sunbury | 161.89 mi (260.53 km) |
| Seclin to Sunderland | 352.99 mi (568.08 km) |
| Seclin to Sunninghill | 170.79 mi (274.85 km) |
| Seclin to Surbiton | 156.46 mi (251.80 km) |
| Seclin to Sutton | 151.30 mi (243.50 km) |
| Seclin to Sutton Coldfield | 250.54 mi (403.21 km) |
| Seclin to Sutton in Ashfield | 255.35 mi (410.95 km) |
| Seclin to Sutton on Hull | 264.21 mi (425.21 km) |
| Seclin to Swadlincote | 249.49 mi (401.52 km) |
| Seclin to Swallownest | 268.57 mi (432.22 km) |
| Seclin to Swanage | 218.91 mi (352.31 km) |
| Seclin to Swindon | 220.21 mi (354.40 km) |
| Seclin to Swinton | 274.44 mi (441.66 km) |
| Seclin to Swinton | 306.54 mi (493.33 km) |
| Seclin to Syston | 230.53 mi (371.00 km) |
