| Onex to Sangeorgiu de Mures | 874.06 mi (1,406.67 km) |
| Onex to Sangeorz-Bai | 880.87 mi (1,417.63 km) |
| Onex to Sannicolau Mare | 694.07 mi (1,117.00 km) |
| Onex to Santana | 734.50 mi (1,182.07 km) |
| Onex to Satu Mare | 797.50 mi (1,283.45 km) |
| Onex to Scobinti | 986.18 mi (1,587.11 km) |
| Onex to Scornicesti | 900.29 mi (1,448.88 km) |
| Onex to Sebes | 835.86 mi (1,345.18 km) |
| Onex to Seini | 815.77 mi (1,312.86 km) |
| Onex to Sfantu-Gheorghe | 942.36 mi (1,516.58 km) |
| Onex to Sibiu | 865.16 mi (1,392.34 km) |
| Onex to Sighetu Marmatiei | 844.23 mi (1,358.66 km) |
| Onex to Sighisoara | 891.78 mi (1,435.18 km) |
| Onex to Simeria | 810.16 mi (1,303.83 km) |
| Onex to Sinaia | 936.94 mi (1,507.85 km) |
