| Houghton Regis to Sacile | 717.88 mi (1,155.32 km) |
| Houghton Regis to Sala Consilina | 1,103.12 mi (1,775.30 km) |
| Houghton Regis to Salemi | 1,167.79 mi (1,879.37 km) |
| Houghton Regis to Salerno | 1,060.59 mi (1,706.85 km) |
| Houghton Regis to Salo | 664.66 mi (1,069.66 km) |
| Houghton Regis to Salsomaggiore Terme | 686.07 mi (1,104.12 km) |
| Houghton Regis to Saluzzo | 621.60 mi (1,000.37 km) |
| Houghton Regis to Salzano | 723.45 mi (1,164.28 km) |
| Houghton Regis to Samarate | 606.08 mi (975.39 km) |
| Houghton Regis to San Benedetto del Tronto | 911.49 mi (1,466.89 km) |
| Houghton Regis to San Biagio di Callalta | 726.02 mi (1,168.42 km) |
| Houghton Regis to San Bonifacio | 700.24 mi (1,126.93 km) |
| Houghton Regis to San Casciano in Val di Pesa | 785.73 mi (1,264.50 km) |
| Houghton Regis to San Cataldo | 1,220.08 mi (1,963.53 km) |
| Houghton Regis to San Cesareo | 936.25 mi (1,506.75 km) |
