| Hartford to Senftenberg | 3,921.83 mi (6,311.58 km) |
| Hartford to Siegburg | 3,676.08 mi (5,916.07 km) |
| Hartford to Siegen | 3,706.24 mi (5,964.62 km) |
| Hartford to Sigmaringen | 3,837.20 mi (6,175.38 km) |
| Hartford to Simbach am Inn | 3,986.94 mi (6,416.36 km) |
| Hartford to Simmerath | 3,645.23 mi (5,866.43 km) |
| Hartford to Sindelfingen | 3,809.32 mi (6,130.50 km) |
| Hartford to Sinsheim | 3,788.35 mi (6,096.76 km) |
| Hartford to Sinzheim | 3,773.53 mi (6,072.91 km) |
| Hartford to Sinzig | 3,685.07 mi (5,930.55 km) |
| Hartford to Soest | 3,690.78 mi (5,939.74 km) |
| Hartford to Solingen | 3,661.24 mi (5,892.19 km) |
| Hartford to Soltau | 3,718.57 mi (5,984.46 km) |
| Hartford to Sommerda | 3,820.54 mi (6,148.57 km) |
| Hartford to Sondershausen | 3,804.69 mi (6,123.05 km) |
