| Boone to Sacile | 4,658.28 mi (7,496.78 km) |
| Boone to Sala Consilina | 4,990.75 mi (8,031.84 km) |
| Boone to Salemi | 4,959.89 mi (7,982.18 km) |
| Boone to Salerno | 4,943.13 mi (7,955.20 km) |
| Boone to Salo | 4,587.53 mi (7,382.91 km) |
| Boone to Salsomaggiore Terme | 4,589.59 mi (7,386.23 km) |
| Boone to Saluzzo | 4,486.87 mi (7,220.92 km) |
| Boone to Salzano | 4,656.84 mi (7,494.47 km) |
| Boone to Samarate | 4,512.22 mi (7,261.71 km) |
| Boone to San Benedetto del Tronto | 4,822.27 mi (7,760.70 km) |
| Boone to San Biagio di Callalta | 4,662.80 mi (7,504.06 km) |
| Boone to San Bonifacio | 4,626.03 mi (7,444.88 km) |
| Boone to San Casciano in Val di Pesa | 4,680.54 mi (7,532.60 km) |
| Boone to San Cataldo | 5,026.88 mi (8,089.97 km) |
| Boone to San Cesareo | 4,815.29 mi (7,749.46 km) |
