| Siena to Wambrechies | 640.58 mi (1,030.91 km) |
| Siena to Wasquehal | 637.40 mi (1,025.80 km) |
| Siena to Wattignies | 635.49 mi (1,022.72 km) |
| Siena to Wattrelos | 636.59 mi (1,024.49 km) |
| Siena to Wingles | 636.26 mi (1,023.96 km) |
| Siena to Wittelsheim | 367.75 mi (591.84 km) |
| Siena to Wittenheim | 365.32 mi (587.93 km) |
| Siena to Woippy | 472.71 mi (760.75 km) |
| Siena to Yerres | 564.30 mi (908.15 km) |
| Siena to Yutz | 483.85 mi (778.69 km) |
| Siena to Yvetot | 664.33 mi (1,069.13 km) |
| Siena to Yzeure | 449.73 mi (723.77 km) |
| Siena to Cayenne | 4,672.74 mi (7,520.05 km) |
| Siena to Iracoubo | 4,689.30 mi (7,546.71 km) |
| Siena to Kourou | 4,677.17 mi (7,527.18 km) |
