| Fort Collins to Sacile | 5,328.31 mi (8,575.08 km) |
| Fort Collins to Sala Consilina | 5,717.49 mi (9,201.40 km) |
| Fort Collins to Salemi | 5,750.09 mi (9,253.88 km) |
| Fort Collins to Salerno | 5,673.74 mi (9,131.00 km) |
| Fort Collins to Salo | 5,280.30 mi (8,497.82 km) |
| Fort Collins to Salsomaggiore Terme | 5,299.68 mi (8,529.01 km) |
| Fort Collins to Saluzzo | 5,220.37 mi (8,401.37 km) |
| Fort Collins to Salzano | 5,337.14 mi (8,589.29 km) |
| Fort Collins to Samarate | 5,219.32 mi (8,399.68 km) |
| Fort Collins to San Benedetto del Tronto | 5,527.13 mi (8,895.06 km) |
| Fort Collins to San Biagio di Callalta | 5,338.35 mi (8,591.24 km) |
| Fort Collins to San Bonifacio | 5,315.64 mi (8,554.70 km) |
| Fort Collins to San Casciano in Val di Pesa | 5,398.57 mi (8,688.16 km) |
| Fort Collins to San Cataldo | 5,810.66 mi (9,351.35 km) |
| Fort Collins to San Cesareo | 5,547.16 mi (8,927.29 km) |
