| Prospect Heights to San Lorenzo de Descardazar | 4,522.67 mi (7,278.53 km) |
| Prospect Heights to San Lorenzo de El Escorial | 4,158.05 mi (6,691.73 km) |
| Prospect Heights to San Martin de la Vega | 4,197.57 mi (6,755.34 km) |
| Prospect Heights to San Martin de Valdeiglesias | 4,154.86 mi (6,686.61 km) |
| Prospect Heights to San Pedro de Ribas | 4,392.37 mi (7,068.83 km) |
| Prospect Heights to San Roque | 4,264.45 mi (6,862.97 km) |
| Prospect Heights to San Sebastian de la Gomera | 4,003.33 mi (6,442.74 km) |
| Prospect Heights to San Sebastian de los Reyes | 4,182.79 mi (6,731.55 km) |
| Prospect Heights to San Vicente de Baracaldo | 4,111.35 mi (6,616.57 km) |
| Prospect Heights to San Vicente de Castellet | 4,380.58 mi (7,049.87 km) |
| Prospect Heights to San Vicente del Raspeig | 4,402.46 mi (7,085.08 km) |
| Prospect Heights to San Vicente dels Horts | 4,397.35 mi (7,076.85 km) |
| Prospect Heights to Sangenjo | 3,886.69 mi (6,255.02 km) |
| Prospect Heights to Sanlucar de Barrameda | 4,198.50 mi (6,756.84 km) |
| Prospect Heights to Sanlucar la Mayor | 4,182.50 mi (6,731.09 km) |
