| Seia to Spello | 1,063.12 mi (1,710.93 km) |
| Seia to Spilamberto | 992.75 mi (1,597.68 km) |
| Seia to Spilimbergo | 1,104.22 mi (1,777.07 km) |
| Seia to Spinea | 1,060.43 mi (1,706.59 km) |
| Seia to Spoleto | 1,063.17 mi (1,711.01 km) |
| Seia to Spoltore | 1,136.85 mi (1,829.59 km) |
| Seia to Spresiano | 1,069.05 mi (1,720.46 km) |
| Seia to Squinzano | 1,349.62 mi (2,172.00 km) |
| Seia to Statte | 1,304.11 mi (2,098.76 km) |
| Seia to Stezzano | 945.54 mi (1,521.70 km) |
| Seia to Strada | 998.26 mi (1,606.55 km) |
| Seia to Stradella | 918.60 mi (1,478.35 km) |
| Seia to Striano | 1,165.08 mi (1,875.02 km) |
| Seia to Subiaco | 1,084.16 mi (1,744.79 km) |
| Seia to Sulmona | 1,126.37 mi (1,812.72 km) |
