| San Mateo to Sangeorgiu de Mures | 6,272.41 mi (10,094.47 km) |
| San Mateo to Sangeorz-Bai | 6,225.70 mi (10,019.30 km) |
| San Mateo to Sannicolau Mare | 6,218.36 mi (10,007.48 km) |
| San Mateo to Santana | 6,221.00 mi (10,011.73 km) |
| San Mateo to Satu Mare | 6,162.78 mi (9,918.04 km) |
| San Mateo to Scobinti | 6,269.01 mi (10,089.00 km) |
| San Mateo to Scornicesti | 6,397.40 mi (10,295.63 km) |
| San Mateo to Sebes | 6,290.19 mi (10,123.09 km) |
| San Mateo to Seini | 6,173.65 mi (9,935.53 km) |
| San Mateo to Sfantu-Gheorghe | 6,342.25 mi (10,206.87 km) |
| San Mateo to Sibiu | 6,312.92 mi (10,159.66 km) |
| San Mateo to Sighetu Marmatiei | 6,174.98 mi (9,937.67 km) |
| San Mateo to Sighisoara | 6,299.85 mi (10,138.63 km) |
| San Mateo to Simeria | 6,284.93 mi (10,114.62 km) |
| San Mateo to Sinaia | 6,369.65 mi (10,250.96 km) |
