| Kastamonu to Superior (Colorado) | 6,256.08 mi (10,068.19 km) |
| Kastamonu to Superior (Wisconsin) | 5,503.86 mi (8,857.60 km) |
| Kastamonu to Surprise (Arizona) | 6,824.37 mi (10,982.77 km) |
| Kastamonu to Susanville (California) | 6,561.48 mi (10,559.68 km) |
| Kastamonu to Sussex (Wisconsin) | 5,575.18 mi (8,972.38 km) |
| Kastamonu to Suwanee (Georgia) | 5,902.48 mi (9,499.12 km) |
| Kastamonu to Swansea (Illinois) | 5,878.30 mi (9,460.20 km) |
| Kastamonu to Sweetwater (Florida) | 6,174.89 mi (9,937.52 km) |
| Kastamonu to Sweetwater (Texas) | 6,560.83 mi (10,558.64 km) |
| Kastamonu to Sycamore (Illinois) | 5,650.51 mi (9,093.62 km) |
| Kastamonu to Sylacauga (Alabama) | 6,030.87 mi (9,705.75 km) |
| Kastamonu to Sylvania (Ohio) | 5,496.81 mi (8,846.26 km) |
| Kastamonu to Syosset (New York) | 5,163.32 mi (8,309.55 km) |
| Kastamonu to Syracuse (New York) | 5,159.56 mi (8,303.51 km) |
| Kastamonu to Syracuse (Utah) | 6,351.57 mi (10,221.87 km) |
