| Glen Ellyn to Sestu | 4,798.90 mi (7,723.09 km) |
| Glen Ellyn to Settimo Torinese | 4,503.98 mi (7,248.46 km) |
| Glen Ellyn to Seveso | 4,537.60 mi (7,302.56 km) |
| Glen Ellyn to Sezze | 4,867.87 mi (7,834.08 km) |
| Glen Ellyn to Siano | 4,963.82 mi (7,988.50 km) |
| Glen Ellyn to Siena | 4,720.42 mi (7,596.78 km) |
| Glen Ellyn to Signa | 4,691.63 mi (7,550.45 km) |
| Glen Ellyn to Silea | 4,659.53 mi (7,498.79 km) |
| Glen Ellyn to Silvi Paese | 4,863.66 mi (7,827.30 km) |
| Glen Ellyn to Sinalunga | 4,740.69 mi (7,629.40 km) |
| Glen Ellyn to Siniscola | 4,770.14 mi (7,676.80 km) |
| Glen Ellyn to Sinnai | 4,803.46 mi (7,730.42 km) |
| Glen Ellyn to Siracusa | 5,156.28 mi (8,298.23 km) |
| Glen Ellyn to Solaro | 4,536.65 mi (7,301.03 km) |
| Glen Ellyn to Soliera | 4,644.75 mi (7,475.01 km) |
