| Bayou Blue to Solofra | 5,633.14 mi (9,065.67 km) |
| Bayou Blue to Somma Lombardo | 5,198.13 mi (8,365.58 km) |
| Bayou Blue to Somma Vesuviana | 5,613.40 mi (9,033.90 km) |
| Bayou Blue to Sommacampagna | 5,299.06 mi (8,528.01 km) |
| Bayou Blue to Sona | 5,297.23 mi (8,525.08 km) |
| Bayou Blue to Sondrio | 5,232.17 mi (8,420.36 km) |
| Bayou Blue to Sora | 5,546.58 mi (8,926.36 km) |
| Bayou Blue to Sorbolo | 5,300.39 mi (8,530.15 km) |
| Bayou Blue to Soresina | 5,260.49 mi (8,465.94 km) |
| Bayou Blue to Sorisole | 5,237.20 mi (8,428.45 km) |
| Bayou Blue to Sorrento | 5,619.52 mi (9,043.74 km) |
| Bayou Blue to Sorso | 5,351.22 mi (8,611.96 km) |
| Bayou Blue to Sortino | 5,777.22 mi (9,297.54 km) |
| Bayou Blue to Soverato Marina | 5,789.46 mi (9,317.23 km) |
| Bayou Blue to Sovicille | 5,387.07 mi (8,669.66 km) |
