| Kastamonu to Roy (Utah) | 6,345.75 mi (10,212.50 km) |
| Kastamonu to Royal Kunia (Hawaii) | 8,033.46 mi (12,928.61 km) |
| Kastamonu to Royal Oak (Michigan) | 5,437.00 mi (8,750.00 km) |
| Kastamonu to Royal Palm Beach (Florida) | 6,121.87 mi (9,852.21 km) |
| Kastamonu to Royse City (Texas) | 6,399.15 mi (10,298.44 km) |
| Kastamonu to Ruskin (Florida) | 6,162.80 mi (9,918.07 km) |
| Kastamonu to Russellville (Alabama) | 6,015.19 mi (9,680.52 km) |
| Kastamonu to Russellville (Arkansas) | 6,163.76 mi (9,919.62 km) |
| Kastamonu to Ruston (Louisiana) | 6,297.80 mi (10,135.32 km) |
| Kastamonu to Rutherford (New Jersey) | 5,186.49 mi (8,346.85 km) |
| Kastamonu to Rutland (Vermont) | 5,015.14 mi (8,071.08 km) |
| Kastamonu to Sabana Grande (Puerto Rico) | 5,932.19 mi (9,546.94 km) |
| Kastamonu to Sachse (Texas) | 6,408.06 mi (10,312.77 km) |
| Kastamonu to Saco (Maine) | 4,922.49 mi (7,921.98 km) |
| Kastamonu to Sacramento (California) | 6,697.36 mi (10,778.37 km) |
