| Mason City to Sacile | 4,784.02 mi (7,699.14 km) |
| Mason City to Sala Consilina | 5,159.94 mi (8,304.13 km) |
| Mason City to Salemi | 5,175.27 mi (8,328.79 km) |
| Mason City to Salerno | 5,114.75 mi (8,231.39 km) |
| Mason City to Salo | 4,728.89 mi (7,610.41 km) |
| Mason City to Salsomaggiore Terme | 4,743.45 mi (7,633.85 km) |
| Mason City to Saluzzo | 4,656.89 mi (7,494.54 km) |
| Mason City to Salzano | 4,789.89 mi (7,708.58 km) |
| Mason City to Samarate | 4,663.25 mi (7,504.77 km) |
| Mason City to San Benedetto del Tronto | 4,974.34 mi (8,005.43 km) |
| Mason City to San Biagio di Callalta | 4,792.51 mi (7,712.80 km) |
| Mason City to San Bonifacio | 4,765.46 mi (7,669.27 km) |
| Mason City to San Casciano in Val di Pesa | 4,840.92 mi (7,790.70 km) |
| Mason City to San Cataldo | 5,237.97 mi (8,429.70 km) |
| Mason City to San Cesareo | 4,986.80 mi (8,025.48 km) |
