| Arecibo to Sestu | 4,674.72 mi (7,523.23 km) |
| Arecibo to Settimo Torinese | 4,576.04 mi (7,364.42 km) |
| Arecibo to Seveso | 4,640.55 mi (7,468.24 km) |
| Arecibo to Sezze | 4,864.22 mi (7,828.20 km) |
| Arecibo to Siano | 4,954.96 mi (7,974.24 km) |
| Arecibo to Siena | 4,761.47 mi (7,662.84 km) |
| Arecibo to Signa | 4,746.73 mi (7,639.13 km) |
| Arecibo to Silea | 4,792.59 mi (7,712.92 km) |
| Arecibo to Silvi Paese | 4,907.73 mi (7,898.24 km) |
| Arecibo to Sinalunga | 4,782.31 mi (7,696.39 km) |
| Arecibo to Siniscola | 4,697.37 mi (7,559.68 km) |
| Arecibo to Sinnai | 4,680.61 mi (7,532.72 km) |
| Arecibo to Siracusa | 5,029.80 mi (8,094.68 km) |
| Arecibo to Solaro | 4,638.09 mi (7,464.28 km) |
| Arecibo to Soliera | 4,731.98 mi (7,615.39 km) |
