| Mamoudzou to Sangeorz-Bai | 4,345.18 mi (6,992.89 km) |
| Mamoudzou to Sannicolau Mare | 4,344.41 mi (6,991.65 km) |
| Mamoudzou to Santana | 4,343.05 mi (6,989.47 km) |
| Mamoudzou to Satu Mare | 4,405.07 mi (7,089.28 km) |
| Mamoudzou to Scobinti | 4,307.54 mi (6,932.31 km) |
| Mamoudzou to Scornicesti | 4,169.50 mi (6,710.16 km) |
| Mamoudzou to Sebes | 4,276.59 mi (6,882.51 km) |
| Mamoudzou to Seini | 4,394.88 mi (7,072.88 km) |
| Mamoudzou to Sfantu-Gheorghe | 4,228.96 mi (6,805.86 km) |
| Mamoudzou to Sibiu | 4,254.73 mi (6,847.33 km) |
| Mamoudzou to Sighetu Marmatiei | 4,395.02 mi (7,073.10 km) |
| Mamoudzou to Sighisoara | 4,269.64 mi (6,871.32 km) |
| Mamoudzou to Simeria | 4,280.79 mi (6,889.26 km) |
| Mamoudzou to Sinaia | 4,200.30 mi (6,759.73 km) |
| Mamoudzou to Slatina | 4,164.25 mi (6,701.72 km) |
