| McAllen to Sestu | 5,929.12 mi (9,542.00 km) |
| McAllen to Settimo Torinese | 5,667.86 mi (9,121.54 km) |
| McAllen to Seveso | 5,707.97 mi (9,186.08 km) |
| McAllen to Sezze | 6,025.88 mi (9,697.72 km) |
| McAllen to Siano | 6,123.06 mi (9,854.12 km) |
| McAllen to Siena | 5,883.62 mi (9,468.78 km) |
| McAllen to Signa | 5,856.81 mi (9,425.63 km) |
| McAllen to Silea | 5,837.83 mi (9,395.08 km) |
| McAllen to Silvi Paese | 6,030.74 mi (9,705.54 km) |
| McAllen to Sinalunga | 5,904.48 mi (9,502.35 km) |
| McAllen to Siniscola | 5,911.23 mi (9,513.20 km) |
| McAllen to Sinnai | 5,934.11 mi (9,550.03 km) |
| McAllen to Siracusa | 6,295.35 mi (10,131.39 km) |
| McAllen to Solaro | 5,706.72 mi (9,184.08 km) |
| McAllen to Soliera | 5,814.76 mi (9,357.95 km) |
