| Kastamonu to Redondela | 2,160.61 mi (3,477.17 km) |
| Kastamonu to Reinosa | 1,927.68 mi (3,102.31 km) |
| Kastamonu to Requena | 1,826.60 mi (2,939.62 km) |
| Kastamonu to Reus | 1,686.49 mi (2,714.14 km) |
| Kastamonu to Rianxo | 2,165.00 mi (3,484.22 km) |
| Kastamonu to Ribadeo | 2,065.14 mi (3,323.52 km) |
| Kastamonu to Rincon de la Victoria | 2,050.76 mi (3,300.38 km) |
| Kastamonu to Ripoll | 1,618.87 mi (2,605.32 km) |
| Kastamonu to Ripollet | 1,628.59 mi (2,620.96 km) |
| Kastamonu to Rojales | 1,834.97 mi (2,953.09 km) |
| Kastamonu to Ronda | 2,095.85 mi (3,372.94 km) |
| Kastamonu to Roquetas de Mar | 1,963.22 mi (3,159.50 km) |
| Kastamonu to Rosas | 1,568.41 mi (2,524.11 km) |
| Kastamonu to Rubi | 1,634.99 mi (2,631.27 km) |
| Kastamonu to Rute | 2,040.62 mi (3,284.06 km) |
