| Fort Collins to Sonneberg | 5,069.26 mi (8,158.19 km) |
| Fort Collins to Sonsbeck | 4,857.59 mi (7,817.53 km) |
| Fort Collins to Sonthofen | 5,178.34 mi (8,333.73 km) |
| Fort Collins to Spaichingen | 5,099.99 mi (8,207.64 km) |
| Fort Collins to Spelle | 4,857.56 mi (7,817.49 km) |
| Fort Collins to Spenge | 4,900.26 mi (7,886.21 km) |
| Fort Collins to Speyer | 5,030.80 mi (8,096.29 km) |
| Fort Collins to Spiesen-Elversberg | 4,988.00 mi (8,027.42 km) |
| Fort Collins to Spremberg | 5,106.89 mi (8,218.75 km) |
| Fort Collins to Springe | 4,929.48 mi (7,933.23 km) |
| Fort Collins to Sprockhovel | 4,896.78 mi (7,880.61 km) |
| Fort Collins to Stade | 4,862.03 mi (7,824.67 km) |
| Fort Collins to Stadtallendorf | 4,978.17 mi (8,011.59 km) |
| Fort Collins to Stadthagen | 4,913.78 mi (7,907.97 km) |
| Fort Collins to Stadtlohn | 4,857.29 mi (7,817.06 km) |
