| Big Spring to Sangeorgiu de Mures | 6,037.03 mi (9,715.66 km) |
| Big Spring to Sangeorz-Bai | 6,002.62 mi (9,660.29 km) |
| Big Spring to Sannicolau Mare | 5,931.78 mi (9,546.28 km) |
| Big Spring to Santana | 5,948.28 mi (9,572.83 km) |
| Big Spring to Satu Mare | 5,923.94 mi (9,533.67 km) |
| Big Spring to Scobinti | 6,072.96 mi (9,773.49 km) |
| Big Spring to Scornicesti | 6,139.49 mi (9,880.55 km) |
| Big Spring to Sebes | 6,037.03 mi (9,715.66 km) |
| Big Spring to Seini | 5,938.85 mi (9,557.66 km) |
| Big Spring to Sfantu-Gheorghe | 6,114.74 mi (9,840.72 km) |
| Big Spring to Sibiu | 6,064.72 mi (9,760.22 km) |
| Big Spring to Sighetu Marmatiei | 5,949.40 mi (9,574.63 km) |
| Big Spring to Sighisoara | 6,064.40 mi (9,759.70 km) |
| Big Spring to Simeria | 6,023.76 mi (9,694.31 km) |
| Big Spring to Sinaia | 6,133.24 mi (9,870.50 km) |
