| Katy to Redondela | 4,737.48 mi (7,624.24 km) |
| Katy to Reinosa | 4,928.71 mi (7,932.00 km) |
| Katy to Requena | 5,174.46 mi (8,327.49 km) |
| Katy to Reus | 5,226.42 mi (8,411.12 km) |
| Katy to Rianxo | 4,718.80 mi (7,594.17 km) |
| Katy to Ribadeo | 4,779.86 mi (7,692.44 km) |
| Katy to Rincon de la Victoria | 5,102.38 mi (8,211.48 km) |
| Katy to Ripoll | 5,242.69 mi (8,437.30 km) |
| Katy to Ripollet | 5,263.79 mi (8,471.26 km) |
| Katy to Rojales | 5,235.97 mi (8,426.48 km) |
| Katy to Ronda | 5,057.61 mi (8,139.43 km) |
| Katy to Roquetas de Mar | 5,184.10 mi (8,343.01 km) |
| Katy to Rosas | 5,285.21 mi (8,505.72 km) |
| Katy to Rubi | 5,258.19 mi (8,462.23 km) |
| Katy to Rute | 5,080.49 mi (8,176.26 km) |
