| Kastamonu to River Ridge (Louisiana) | 6,350.70 mi (10,220.47 km) |
| Kastamonu to Riverbank (California) | 6,743.33 mi (10,852.35 km) |
| Kastamonu to Riverdale (Georgia) | 5,940.65 mi (9,560.56 km) |
| Kastamonu to Riverdale (Illinois) | 5,634.46 mi (9,067.78 km) |
| Kastamonu to Riverside (California) | 6,920.22 mi (11,137.03 km) |
| Kastamonu to Riverside (Ohio) | 5,609.70 mi (9,027.95 km) |
| Kastamonu to Riverton (Utah) | 6,384.82 mi (10,275.38 km) |
| Kastamonu to Riverton (Wyoming) | 6,147.63 mi (9,893.65 km) |
| Kastamonu to Riverview (Florida) | 6,151.98 mi (9,900.65 km) |
| Kastamonu to Riverview (Michigan) | 5,455.40 mi (8,779.62 km) |
| Kastamonu to Riviera Beach (Florida) | 6,111.63 mi (9,835.72 km) |
| Kastamonu to Riviera Beach (Maryland) | 5,358.29 mi (8,623.33 km) |
| Kastamonu to Roanoke (Virginia) | 5,582.11 mi (8,983.54 km) |
| Kastamonu to Roanoke Rapids (North Carolina) | 5,533.40 mi (8,905.14 km) |
| Kastamonu to Robbinsdale (Minnesota) | 5,631.84 mi (9,063.58 km) |
