| North Potomac to San Maurizio Canavese | 4,161.57 mi (6,697.39 km) |
| North Potomac to San Mauro Pascoli | 4,405.01 mi (7,089.17 km) |
| North Potomac to San Mauro Torinese | 4,170.47 mi (6,711.72 km) |
| North Potomac to San Michele al Tagliamento | 4,372.28 mi (7,036.51 km) |
| North Potomac to San Miniato | 4,351.59 mi (7,003.21 km) |
| North Potomac to San Pancrazio Salentino | 4,774.80 mi (7,684.31 km) |
| North Potomac to San Pietro in Casale | 4,340.87 mi (6,985.96 km) |
| North Potomac to San Pietro Vernotico | 4,781.64 mi (7,695.31 km) |
| North Potomac to San Prisco | 4,594.10 mi (7,393.49 km) |
| North Potomac to San Remo | 4,212.46 mi (6,779.31 km) |
| North Potomac to San Salvo | 4,578.34 mi (7,368.13 km) |
| North Potomac to San Sebastiano al Vesuvio | 4,607.01 mi (7,414.26 km) |
| North Potomac to San Severino Marche | 4,468.28 mi (7,191.00 km) |
| North Potomac to San Severo | 4,619.45 mi (7,434.29 km) |
| North Potomac to San Valentino Torio | 4,619.01 mi (7,433.59 km) |
