| Hartford to Solofra | 4,326.94 mi (6,963.54 km) |
| Hartford to Somma Lombardo | 3,890.88 mi (6,261.76 km) |
| Hartford to Somma Vesuviana | 4,307.34 mi (6,931.99 km) |
| Hartford to Sommacampagna | 3,991.81 mi (6,424.20 km) |
| Hartford to Sona | 3,989.99 mi (6,421.27 km) |
| Hartford to Sondrio | 3,925.00 mi (6,316.67 km) |
| Hartford to Sora | 4,240.14 mi (6,823.85 km) |
| Hartford to Sorbolo | 3,993.15 mi (6,426.36 km) |
| Hartford to Soresina | 3,953.23 mi (6,362.11 km) |
| Hartford to Sorisole | 3,929.94 mi (6,324.63 km) |
| Hartford to Sorrento | 4,313.71 mi (6,942.24 km) |
| Hartford to Sorso | 4,048.85 mi (6,515.99 km) |
| Hartford to Sortino | 4,475.89 mi (7,203.24 km) |
| Hartford to Soverato Marina | 4,484.56 mi (7,217.20 km) |
| Hartford to Sovicille | 4,080.29 mi (6,566.60 km) |
