| Los Alamos to Sangeorgiu de Mures | 5,973.11 mi (9,612.80 km) |
| Los Alamos to Sangeorz-Bai | 5,934.57 mi (9,550.77 km) |
| Los Alamos to Sannicolau Mare | 5,882.73 mi (9,467.35 km) |
| Los Alamos to Santana | 5,895.06 mi (9,487.18 km) |
| Los Alamos to Satu Mare | 5,859.96 mi (9,430.70 km) |
| Los Alamos to Scobinti | 5,997.34 mi (9,651.79 km) |
| Los Alamos to Scornicesti | 6,083.56 mi (9,790.55 km) |
| Los Alamos to Sebes | 5,978.61 mi (9,621.65 km) |
| Los Alamos to Seini | 5,873.77 mi (9,452.92 km) |
| Los Alamos to Sfantu-Gheorghe | 6,049.17 mi (9,735.20 km) |
| Los Alamos to Sibiu | 6,005.04 mi (9,664.17 km) |
| Los Alamos to Sighetu Marmatiei | 5,881.58 mi (9,465.49 km) |
| Los Alamos to Sighisoara | 6,000.77 mi (9,657.31 km) |
| Los Alamos to Simeria | 5,967.70 mi (9,604.08 km) |
| Los Alamos to Sinaia | 6,070.60 mi (9,769.69 km) |
