| Castricum to Sugar Hill (Georgia) | 4,342.17 mi (6,988.05 km) |
| Castricum to Sugar Land (Texas) | 5,022.60 mi (8,083.10 km) |
| Castricum to Sugarland Run (Virginia) | 3,839.85 mi (6,179.65 km) |
| Castricum to Sugarmill Woods (Florida) | 4,554.89 mi (7,330.38 km) |
| Castricum to Suisun City (California) | 5,396.09 mi (8,684.16 km) |
| Castricum to Suitland (Maryland) | 3,830.62 mi (6,164.79 km) |
| Castricum to Sulphur (Louisiana) | 4,902.35 mi (7,889.56 km) |
| Castricum to Sulphur Springs (Texas) | 4,831.65 mi (7,775.79 km) |
| Castricum to Summerfield (Maryland) | 3,825.88 mi (6,157.16 km) |
| Castricum to Summerfield (North Carolina) | 4,075.26 mi (6,558.49 km) |
| Castricum to Summerlin South (Nevada) | 5,330.34 mi (8,578.36 km) |
| Castricum to Summerville (South Carolina) | 4,244.52 mi (6,830.90 km) |
| Castricum to Summit (Illinois) | 4,102.52 mi (6,602.37 km) |
| Castricum to Summit (New Jersey) | 3,643.41 mi (5,863.51 km) |
| Castricum to Sumner (Washington) | 4,867.33 mi (7,833.22 km) |
