| Kallithea to Sestao | 1,441.66 mi (2,320.13 km) |
| Kallithea to Sevilla | 1,619.24 mi (2,605.91 km) |
| Kallithea to Sevilla La Nueva | 1,488.83 mi (2,396.04 km) |
| Kallithea to Silla | 1,300.67 mi (2,093.23 km) |
| Kallithea to Silleda | 1,703.23 mi (2,741.08 km) |
| Kallithea to Sitges | 1,184.35 mi (1,906.03 km) |
| Kallithea to Socuellamos | 1,428.10 mi (2,298.30 km) |
| Kallithea to Soller | 1,134.18 mi (1,825.29 km) |
| Kallithea to Solsona | 1,203.62 mi (1,937.05 km) |
| Kallithea to Son Servera | 1,099.16 mi (1,768.93 km) |
| Kallithea to Sonseca | 1,487.35 mi (2,393.66 km) |
| Kallithea to Sopelana | 1,440.84 mi (2,318.81 km) |
| Kallithea to Soria | 1,406.96 mi (2,264.29 km) |
| Kallithea to Suances | 1,494.69 mi (2,405.46 km) |
| Kallithea to Sueca | 1,296.07 mi (2,085.83 km) |
