| Merrillville to Sesena | 4,189.88 mi (6,742.96 km) |
| Merrillville to Sestao | 4,107.55 mi (6,610.46 km) |
| Merrillville to Sevilla | 4,188.00 mi (6,739.94 km) |
| Merrillville to Sevilla La Nueva | 4,166.24 mi (6,704.92 km) |
| Merrillville to Silla | 4,365.03 mi (7,024.84 km) |
| Merrillville to Silleda | 3,896.94 mi (6,271.52 km) |
| Merrillville to Sitges | 4,392.11 mi (7,068.42 km) |
| Merrillville to Socuellamos | 4,260.18 mi (6,856.10 km) |
| Merrillville to Soller | 4,487.52 mi (7,221.97 km) |
| Merrillville to Solsona | 4,351.09 mi (7,002.41 km) |
| Merrillville to Son Servera | 4,522.18 mi (7,277.74 km) |
| Merrillville to Sonseca | 4,192.99 mi (6,747.96 km) |
| Merrillville to Sopelana | 4,106.26 mi (6,608.38 km) |
| Merrillville to Soria | 4,185.39 mi (6,735.73 km) |
| Merrillville to Suances | 4,057.81 mi (6,530.41 km) |
