| Harpenden to Rovinj | 789.85 mi (1,271.14 km) |
| Harpenden to Samobor | 838.51 mi (1,349.46 km) |
| Harpenden to Sesvete | 852.95 mi (1,372.69 km) |
| Harpenden to Sibenik | 934.99 mi (1,504.73 km) |
| Harpenden to Sinj | 964.20 mi (1,551.73 km) |
| Harpenden to Sisak | 876.99 mi (1,411.38 km) |
| Harpenden to Slatina | 921.07 mi (1,482.32 km) |
| Harpenden to Slavonski Brod | 954.67 mi (1,536.40 km) |
| Harpenden to Solin | 966.80 mi (1,555.91 km) |
| Harpenden to Split | 965.78 mi (1,554.27 km) |
| Harpenden to Sveti Ivan Zelina | 852.96 mi (1,372.71 km) |
| Harpenden to Trilj | 971.14 mi (1,562.90 km) |
| Harpenden to Trogir | 958.48 mi (1,542.52 km) |
| Harpenden to Umag | 769.83 mi (1,238.92 km) |
| Harpenden to Valpovo | 951.21 mi (1,530.83 km) |
