| Mastic Beach to Sangeorgiu de Mures | 4,555.43 mi (7,331.25 km) |
| Mastic Beach to Sangeorz-Bai | 4,531.58 mi (7,292.88 km) |
| Mastic Beach to Sannicolau Mare | 4,420.98 mi (7,114.88 km) |
| Mastic Beach to Santana | 4,445.85 mi (7,154.91 km) |
| Mastic Beach to Satu Mare | 4,446.14 mi (7,155.37 km) |
| Mastic Beach to Scobinti | 4,617.33 mi (7,430.87 km) |
| Mastic Beach to Scornicesti | 4,637.22 mi (7,462.89 km) |
| Mastic Beach to Sebes | 4,543.21 mi (7,311.59 km) |
| Mastic Beach to Seini | 4,463.07 mi (7,182.62 km) |
| Mastic Beach to Sfantu-Gheorghe | 4,634.37 mi (7,458.29 km) |
| Mastic Beach to Sibiu | 4,572.82 mi (7,359.24 km) |
| Mastic Beach to Sighetu Marmatiei | 4,479.59 mi (7,209.20 km) |
| Mastic Beach to Sighisoara | 4,581.25 mi (7,372.82 km) |
| Mastic Beach to Simeria | 4,525.23 mi (7,282.65 km) |
| Mastic Beach to Sinaia | 4,645.76 mi (7,476.63 km) |
