| Arecibo to Sangeorgiu de Mures | 5,356.43 mi (8,620.35 km) |
| Arecibo to Sangeorz-Bai | 5,352.75 mi (8,614.42 km) |
| Arecibo to Sannicolau Mare | 5,184.10 mi (8,343.01 km) |
| Arecibo to Santana | 5,221.75 mi (8,403.59 km) |
| Arecibo to Satu Mare | 5,264.93 mi (8,473.08 km) |
| Arecibo to Scobinti | 5,454.58 mi (8,778.30 km) |
| Arecibo to Scornicesti | 5,393.42 mi (8,679.87 km) |
| Arecibo to Sebes | 5,324.30 mi (8,568.64 km) |
| Arecibo to Seini | 5,283.48 mi (8,502.94 km) |
| Arecibo to Sfantu-Gheorghe | 5,429.33 mi (8,737.67 km) |
| Arecibo to Sibiu | 5,354.22 mi (8,616.78 km) |
| Arecibo to Sighetu Marmatiei | 5,308.15 mi (8,542.65 km) |
| Arecibo to Sighisoara | 5,376.97 mi (8,653.40 km) |
| Arecibo to Simeria | 5,299.80 mi (8,529.20 km) |
| Arecibo to Sinaia | 5,427.35 mi (8,734.47 km) |
