| Duluth to Sacile | 4,573.90 mi (7,360.97 km) |
| Duluth to Sala Consilina | 4,956.62 mi (7,976.90 km) |
| Duluth to Salemi | 4,981.84 mi (8,017.49 km) |
| Duluth to Salerno | 4,912.15 mi (7,905.33 km) |
| Duluth to Salo | 4,522.10 mi (7,277.62 km) |
| Duluth to Salsomaggiore Terme | 4,539.11 mi (7,304.99 km) |
| Duluth to Saluzzo | 4,456.38 mi (7,171.85 km) |
| Duluth to Salzano | 4,581.14 mi (7,372.64 km) |
| Duluth to Samarate | 4,458.75 mi (7,175.67 km) |
| Duluth to San Benedetto del Tronto | 4,768.45 mi (7,674.08 km) |
| Duluth to San Biagio di Callalta | 4,583.11 mi (7,375.80 km) |
| Duluth to San Bonifacio | 4,558.10 mi (7,335.56 km) |
| Duluth to San Casciano in Val di Pesa | 4,637.40 mi (7,463.17 km) |
| Duluth to San Cataldo | 5,043.25 mi (8,116.32 km) |
| Duluth to San Cesareo | 4,784.83 mi (7,700.44 km) |
