| Karlovo to Sangeorz-Bai | 326.62 mi (525.65 km) |
| Karlovo to Sannicolau Mare | 314.21 mi (505.67 km) |
| Karlovo to Santana | 303.49 mi (488.42 km) |
| Karlovo to Satu Mare | 367.59 mi (591.58 km) |
| Karlovo to Scobinti | 343.52 mi (552.84 km) |
| Karlovo to Scornicesti | 133.72 mi (215.20 km) |
| Karlovo to Sebes | 237.16 mi (381.67 km) |
| Karlovo to Seini | 360.35 mi (579.92 km) |
| Karlovo to Sfantu-Gheorghe | 227.70 mi (366.45 km) |
| Karlovo to Sibiu | 219.99 mi (354.04 km) |
| Karlovo to Sighetu Marmatiei | 367.85 mi (591.99 km) |
| Karlovo to Sighisoara | 246.89 mi (397.33 km) |
| Karlovo to Simeria | 238.71 mi (384.17 km) |
| Karlovo to Sinaia | 190.61 mi (306.77 km) |
| Karlovo to Slatina | 125.39 mi (201.79 km) |
