| Leighton Buzzard to Sesena | 828.90 mi (1,333.99 km) |
| Leighton Buzzard to Sestao | 604.45 mi (972.77 km) |
| Leighton Buzzard to Sevilla | 1,046.69 mi (1,684.48 km) |
| Leighton Buzzard to Sevilla La Nueva | 815.20 mi (1,311.94 km) |
| Leighton Buzzard to Silla | 867.53 mi (1,396.15 km) |
| Leighton Buzzard to Silleda | 728.02 mi (1,171.63 km) |
| Leighton Buzzard to Sitges | 747.21 mi (1,202.52 km) |
| Leighton Buzzard to Socuellamos | 878.15 mi (1,413.24 km) |
| Leighton Buzzard to Soller | 854.68 mi (1,375.47 km) |
| Leighton Buzzard to Solsona | 693.13 mi (1,115.48 km) |
| Leighton Buzzard to Son Servera | 871.03 mi (1,401.79 km) |
| Leighton Buzzard to Sonseca | 858.57 mi (1,381.74 km) |
| Leighton Buzzard to Sopelana | 599.42 mi (964.67 km) |
| Leighton Buzzard to Soria | 706.39 mi (1,136.83 km) |
| Leighton Buzzard to Suances | 606.78 mi (976.52 km) |
