| Sun Prairie to Sestu | 4,795.66 mi (7,717.87 km) |
| Sun Prairie to Settimo Torinese | 4,492.46 mi (7,229.92 km) |
| Sun Prairie to Seveso | 4,524.04 mi (7,280.73 km) |
| Sun Prairie to Sezze | 4,857.33 mi (7,817.11 km) |
| Sun Prairie to Siano | 4,952.74 mi (7,970.67 km) |
| Sun Prairie to Siena | 4,708.67 mi (7,577.87 km) |
| Sun Prairie to Signa | 4,679.35 mi (7,530.69 km) |
| Sun Prairie to Silea | 4,643.19 mi (7,472.50 km) |
| Sun Prairie to Silvi Paese | 4,850.50 mi (7,806.12 km) |
| Sun Prairie to Sinalunga | 4,728.73 mi (7,610.16 km) |
| Sun Prairie to Siniscola | 4,764.29 mi (7,667.39 km) |
| Sun Prairie to Sinnai | 4,800.10 mi (7,725.02 km) |
| Sun Prairie to Siracusa | 5,150.12 mi (8,288.32 km) |
| Sun Prairie to Solaro | 4,523.18 mi (7,279.36 km) |
| Sun Prairie to Soliera | 4,631.10 mi (7,453.04 km) |
