| North Potomac to Sacile | 4,344.63 mi (6,992.01 km) |
| North Potomac to Sala Consilina | 4,677.61 mi (7,527.88 km) |
| North Potomac to Salemi | 4,648.48 mi (7,481.01 km) |
| North Potomac to Salerno | 4,630.02 mi (7,451.30 km) |
| North Potomac to Salo | 4,273.88 mi (6,878.14 km) |
| North Potomac to Salsomaggiore Terme | 4,276.03 mi (6,881.60 km) |
| North Potomac to Saluzzo | 4,173.52 mi (6,716.63 km) |
| North Potomac to Salzano | 4,343.18 mi (6,989.67 km) |
| North Potomac to Samarate | 4,198.61 mi (6,757.01 km) |
| North Potomac to San Benedetto del Tronto | 4,508.75 mi (7,256.13 km) |
| North Potomac to San Biagio di Callalta | 4,349.14 mi (6,999.27 km) |
| North Potomac to San Bonifacio | 4,312.37 mi (6,940.09 km) |
| North Potomac to San Casciano in Val di Pesa | 4,367.09 mi (7,028.15 km) |
| North Potomac to San Cataldo | 4,715.31 mi (7,588.56 km) |
| North Potomac to San Cesareo | 4,502.12 mi (7,245.46 km) |
