| Kastamonu to Rende | 935.34 mi (1,505.29 km) |
| Kastamonu to Resana | 1,128.72 mi (1,816.51 km) |
| Kastamonu to Rescaldina | 1,272.80 mi (2,048.38 km) |
| Kastamonu to Rezzato | 1,206.30 mi (1,941.35 km) |
| Kastamonu to Rho | 1,268.35 mi (2,041.21 km) |
| Kastamonu to Ribera | 1,123.90 mi (1,808.75 km) |
| Kastamonu to Riccione Marina | 1,085.06 mi (1,746.23 km) |
| Kastamonu to Riesi | 1,087.14 mi (1,749.59 km) |
| Kastamonu to Rieti | 1,075.61 mi (1,731.03 km) |
| Kastamonu to Rignano Flaminio | 1,095.58 mi (1,763.16 km) |
| Kastamonu to Rignano sull'Arno | 1,144.34 mi (1,841.64 km) |
| Kastamonu to Rimini | 1,089.28 mi (1,753.03 km) |
| Kastamonu to Rionero in Vulture | 941.06 mi (1,514.48 km) |
| Kastamonu to Riposto | 1,018.91 mi (1,639.77 km) |
| Kastamonu to Riva del Garda | 1,183.49 mi (1,904.64 km) |
