| Ashtabula to Sesena | 3,878.88 mi (6,242.45 km) |
| Ashtabula to Sestao | 3,805.41 mi (6,124.22 km) |
| Ashtabula to Sevilla | 3,868.65 mi (6,225.99 km) |
| Ashtabula to Sevilla La Nueva | 3,855.46 mi (6,204.77 km) |
| Ashtabula to Silla | 4,055.84 mi (6,527.24 km) |
| Ashtabula to Silleda | 3,587.78 mi (5,773.98 km) |
| Ashtabula to Sitges | 4,090.00 mi (6,582.22 km) |
| Ashtabula to Socuellamos | 3,948.26 mi (6,354.11 km) |
| Ashtabula to Soller | 4,182.86 mi (6,731.66 km) |
| Ashtabula to Solsona | 4,050.60 mi (6,518.82 km) |
| Ashtabula to Son Servera | 4,217.96 mi (6,788.14 km) |
| Ashtabula to Sonseca | 3,880.80 mi (6,245.54 km) |
| Ashtabula to Sopelana | 3,804.34 mi (6,122.50 km) |
| Ashtabula to Soria | 3,879.76 mi (6,243.86 km) |
| Ashtabula to Suances | 3,754.88 mi (6,042.89 km) |
