| Mason City to Sucha Beskidzka | 4,848.10 mi (7,802.26 km) |
| Mason City to Suchanino | 4,598.60 mi (7,400.72 km) |
| Mason City to Sulechow | 4,611.21 mi (7,421.03 km) |
| Mason City to Sulecin | 4,578.70 mi (7,368.71 km) |
| Mason City to Sulejowek | 4,779.18 mi (7,691.34 km) |
| Mason City to Suwalki | 4,736.85 mi (7,623.22 km) |
| Mason City to Swarzedz | 4,642.26 mi (7,471.00 km) |
| Mason City to Swidnica | 4,695.76 mi (7,557.10 km) |
| Mason City to Swidnik | 4,872.38 mi (7,841.34 km) |
| Mason City to Swidwin | 4,538.82 mi (7,304.52 km) |
| Mason City to Swiebodzice | 4,690.13 mi (7,548.04 km) |
| Mason City to Swiecie | 4,637.30 mi (7,463.01 km) |
| Mason City to Swiedbodzin | 4,600.96 mi (7,404.54 km) |
| Mason City to Swietochlowice | 4,800.19 mi (7,725.16 km) |
| Mason City to Swinoujscie | 4,485.70 mi (7,219.04 km) |
