| Bayou Blue to Sestu | 5,424.93 mi (8,730.59 km) |
| Bayou Blue to Settimo Torinese | 5,175.32 mi (8,328.87 km) |
| Bayou Blue to Seveso | 5,218.12 mi (8,397.75 km) |
| Bayou Blue to Sezze | 5,530.00 mi (8,899.68 km) |
| Bayou Blue to Siano | 5,627.38 mi (9,056.39 km) |
| Bayou Blue to Siena | 5,390.17 mi (8,674.63 km) |
| Bayou Blue to Signa | 5,364.25 mi (8,632.93 km) |
| Bayou Blue to Silea | 5,351.45 mi (8,612.33 km) |
| Bayou Blue to Silvi Paese | 5,538.47 mi (8,913.31 km) |
| Bayou Blue to Sinalunga | 5,411.20 mi (8,708.49 km) |
| Bayou Blue to Siniscola | 5,410.05 mi (8,706.63 km) |
| Bayou Blue to Sinnai | 5,430.03 mi (8,738.78 km) |
| Bayou Blue to Siracusa | 5,792.65 mi (9,322.36 km) |
| Bayou Blue to Solaro | 5,216.75 mi (8,395.54 km) |
| Bayou Blue to Soliera | 5,324.42 mi (8,568.83 km) |
