| Hackettstown to Selargius | 4,257.75 mi (6,852.18 km) |
| Hackettstown to Selvazzano Dentro | 4,159.07 mi (6,693.38 km) |
| Hackettstown to Senago | 4,039.92 mi (6,501.62 km) |
| Hackettstown to Senigallia | 4,278.28 mi (6,885.23 km) |
| Hackettstown to Seravezza | 4,139.83 mi (6,662.41 km) |
| Hackettstown to Seregno | 4,040.59 mi (6,502.71 km) |
| Hackettstown to Seriate | 4,061.50 mi (6,536.35 km) |
| Hackettstown to Sermoneta | 4,346.12 mi (6,994.41 km) |
| Hackettstown to Serramanna | 4,240.78 mi (6,824.87 km) |
| Hackettstown to Serravalle Pistoiese | 4,169.19 mi (6,709.66 km) |
| Hackettstown to Sessa Aurunca | 4,399.45 mi (7,080.24 km) |
| Hackettstown to Sesto Calende | 4,013.73 mi (6,459.47 km) |
| Hackettstown to Sesto Fiorentino | 4,187.32 mi (6,738.84 km) |
| Hackettstown to Sesto San Giovanni | 4,045.81 mi (6,511.11 km) |
| Hackettstown to Sestri Levante | 4,094.25 mi (6,589.05 km) |
