| Hackettstown to Sacile | 4,169.28 mi (6,709.81 km) |
| Hackettstown to Sala Consilina | 4,503.90 mi (7,248.33 km) |
| Hackettstown to Salemi | 4,477.03 mi (7,205.09 km) |
| Hackettstown to Salerno | 4,456.38 mi (7,171.85 km) |
| Hackettstown to Salo | 4,098.90 mi (6,596.55 km) |
| Hackettstown to Salsomaggiore Terme | 4,101.45 mi (6,600.65 km) |
| Hackettstown to Saluzzo | 3,999.46 mi (6,436.51 km) |
| Hackettstown to Salzano | 4,168.01 mi (6,707.76 km) |
| Hackettstown to Samarate | 4,023.89 mi (6,475.83 km) |
| Hackettstown to San Benedetto del Tronto | 4,334.27 mi (6,975.33 km) |
| Hackettstown to San Biagio di Callalta | 4,173.89 mi (6,717.23 km) |
| Hackettstown to San Bonifacio | 4,137.37 mi (6,658.45 km) |
| Hackettstown to San Casciano in Val di Pesa | 4,192.81 mi (6,747.67 km) |
| Hackettstown to San Cataldo | 4,543.68 mi (7,312.35 km) |
| Hackettstown to San Cesareo | 4,328.37 mi (6,965.85 km) |
