| Idaho Falls to Santa Venerina | 5,926.05 mi (9,537.06 km) |
| Idaho Falls to Santeramo in Colle | 5,799.92 mi (9,334.07 km) |
| Idaho Falls to Santo Stefano di Magra | 5,404.99 mi (8,698.49 km) |
| Idaho Falls to Santo Stino di Livenza | 5,403.58 mi (8,696.22 km) |
| Idaho Falls to Sarezzo | 5,333.87 mi (8,584.03 km) |
| Idaho Falls to Sarno | 5,734.04 mi (9,228.05 km) |
| Idaho Falls to Saronno | 5,299.56 mi (8,528.82 km) |
| Idaho Falls to Sarzana | 5,409.02 mi (8,704.97 km) |
| Idaho Falls to Sassari | 5,545.48 mi (8,924.59 km) |
| Idaho Falls to Sasso Marconi | 5,433.35 mi (8,744.13 km) |
| Idaho Falls to Sassuolo | 5,410.92 mi (8,708.04 km) |
| Idaho Falls to Sava | 5,846.42 mi (9,408.91 km) |
| Idaho Falls to Saviano | 5,725.38 mi (9,214.11 km) |
| Idaho Falls to Savigliano | 5,307.18 mi (8,541.08 km) |
| Idaho Falls to Savignano sul Panaro | 5,422.21 mi (8,726.20 km) |
