| Swansea to Sacile | 4,884.86 mi (7,861.42 km) |
| Swansea to Sala Consilina | 5,243.04 mi (8,437.85 km) |
| Swansea to Salemi | 5,236.95 mi (8,428.05 km) |
| Swansea to Salerno | 5,196.50 mi (8,362.96 km) |
| Swansea to Salo | 4,822.41 mi (7,760.92 km) |
| Swansea to Salsomaggiore Terme | 4,831.39 mi (7,775.37 km) |
| Swansea to Saluzzo | 4,736.99 mi (7,623.44 km) |
| Swansea to Salzano | 4,887.48 mi (7,865.64 km) |
| Swansea to Samarate | 4,752.04 mi (7,647.66 km) |
| Swansea to San Benedetto del Tronto | 5,064.31 mi (8,150.22 km) |
| Swansea to San Biagio di Callalta | 4,891.62 mi (7,872.30 km) |
| Swansea to San Bonifacio | 4,860.05 mi (7,821.50 km) |
| Swansea to San Casciano in Val di Pesa | 4,926.41 mi (7,928.29 km) |
| Swansea to San Cataldo | 5,301.97 mi (8,532.70 km) |
| Swansea to San Cesareo | 5,067.96 mi (8,156.09 km) |
