| Guymon to Sestu | 5,580.59 mi (8,981.09 km) |
| Guymon to Settimo Torinese | 5,271.07 mi (8,482.97 km) |
| Guymon to Seveso | 5,300.37 mi (8,530.12 km) |
| Guymon to Sezze | 5,636.60 mi (9,071.24 km) |
| Guymon to Siano | 5,731.40 mi (9,223.79 km) |
| Guymon to Siena | 5,486.84 mi (8,830.21 km) |
| Guymon to Signa | 5,456.97 mi (8,782.15 km) |
| Guymon to Silea | 5,415.88 mi (8,716.01 km) |
| Guymon to Silvi Paese | 5,626.94 mi (9,055.68 km) |
| Guymon to Sinalunga | 5,506.65 mi (8,862.10 km) |
| Guymon to Siniscola | 5,547.62 mi (8,928.04 km) |
| Guymon to Sinnai | 5,584.97 mi (8,988.14 km) |
| Guymon to Siracusa | 5,933.03 mi (9,548.29 km) |
| Guymon to Solaro | 5,299.63 mi (8,528.92 km) |
| Guymon to Soliera | 5,407.21 mi (8,702.06 km) |
