| Round Rock to San Lorenzo de Descardazar | 5,430.21 mi (8,739.09 km) |
| Round Rock to San Lorenzo de El Escorial | 5,052.22 mi (8,130.77 km) |
| Round Rock to San Martin de la Vega | 5,090.89 mi (8,193.00 km) |
| Round Rock to San Martin de Valdeiglesias | 5,046.98 mi (8,122.33 km) |
| Round Rock to San Pedro de Ribas | 5,304.55 mi (8,536.84 km) |
| Round Rock to San Roque | 5,126.16 mi (8,249.76 km) |
| Round Rock to San Sebastian de la Gomera | 4,743.96 mi (7,634.66 km) |
| Round Rock to San Sebastian de los Reyes | 5,078.00 mi (8,172.24 km) |
| Round Rock to San Vicente de Baracaldo | 5,023.52 mi (8,084.57 km) |
| Round Rock to San Vicente de Castellet | 5,294.97 mi (8,521.44 km) |
| Round Rock to San Vicente del Raspeig | 5,293.21 mi (8,518.60 km) |
| Round Rock to San Vicente dels Horts | 5,310.74 mi (8,546.80 km) |
| Round Rock to Sangenjo | 4,780.85 mi (7,694.04 km) |
| Round Rock to Sanlucar de Barrameda | 5,061.04 mi (8,144.95 km) |
| Round Rock to Sanlucar la Mayor | 5,049.88 mi (8,127.00 km) |
