| Hackettstown to Spello | 4,280.61 mi (6,888.98 km) |
| Hackettstown to Spilamberto | 4,155.42 mi (6,687.50 km) |
| Hackettstown to Spilimbergo | 4,179.80 mi (6,726.74 km) |
| Hackettstown to Spinea | 4,171.23 mi (6,712.95 km) |
| Hackettstown to Spoleto | 4,289.50 mi (6,903.28 km) |
| Hackettstown to Spoltore | 4,363.39 mi (7,022.20 km) |
| Hackettstown to Spresiano | 4,165.08 mi (6,703.04 km) |
| Hackettstown to Squinzano | 4,609.31 mi (7,417.97 km) |
| Hackettstown to Statte | 4,567.27 mi (7,350.31 km) |
| Hackettstown to Stezzano | 4,059.85 mi (6,533.69 km) |
| Hackettstown to Strada | 4,201.02 mi (6,760.89 km) |
| Hackettstown to Stradella | 4,063.40 mi (6,539.40 km) |
| Hackettstown to Striano | 4,442.79 mi (7,149.98 km) |
| Hackettstown to Subiaco | 4,337.26 mi (6,980.15 km) |
| Hackettstown to Sulmona | 4,369.07 mi (7,031.34 km) |
