| Fort Collins to Sabadell | 5,163.79 mi (8,310.32 km) |
| Fort Collins to Sabinanigo | 5,023.76 mi (8,084.97 km) |
| Fort Collins to Sagunto | 5,153.66 mi (8,294.02 km) |
| Fort Collins to Salamanca | 4,876.71 mi (7,848.31 km) |
| Fort Collins to Salobrena | 5,145.30 mi (8,280.56 km) |
| Fort Collins to Salou | 5,146.80 mi (8,282.97 km) |
| Fort Collins to Salt | 5,170.61 mi (8,321.30 km) |
| Fort Collins to Salvatierra de Mino | 4,712.84 mi (7,584.59 km) |
| Fort Collins to Sama | 4,778.81 mi (7,690.75 km) |
| Fort Collins to San Adrian de Besos | 5,173.47 mi (8,325.89 km) |
| Fort Collins to San Agustin de Guadalix | 4,973.43 mi (8,003.97 km) |
| Fort Collins to San Andres de la Barca | 5,163.27 mi (8,309.49 km) |
| Fort Collins to San Andres de Llevaneras | 5,177.23 mi (8,331.95 km) |
| Fort Collins to San Andres del Rabanedo | 4,810.45 mi (7,741.68 km) |
| Fort Collins to San Bartolome | 4,969.01 mi (7,996.85 km) |
