| Lake Hopatcong to Smolyan | 4,829.43 mi (7,772.21 km) |
| Lake Hopatcong to Sofia | 4,726.95 mi (7,607.29 km) |
| Lake Hopatcong to Sopot | 4,786.76 mi (7,703.55 km) |
| Lake Hopatcong to Sozopol | 4,915.07 mi (7,910.04 km) |
| Lake Hopatcong to Sredets | 4,898.02 mi (7,882.60 km) |
| Lake Hopatcong to Stamboliyski | 4,799.55 mi (7,724.13 km) |
| Lake Hopatcong to Stara Zagora | 4,832.24 mi (7,776.74 km) |
| Lake Hopatcong to Svilengrad | 4,882.80 mi (7,858.10 km) |
| Lake Hopatcong to Svishtov | 4,770.48 mi (7,677.35 km) |
| Lake Hopatcong to Targovishte | 4,834.97 mi (7,781.14 km) |
| Lake Hopatcong to Teteven | 4,756.10 mi (7,654.21 km) |
| Lake Hopatcong to Troyan | 4,775.68 mi (7,685.72 km) |
| Lake Hopatcong to Tryavna | 4,807.92 mi (7,737.60 km) |
| Lake Hopatcong to Tutrakan | 4,802.37 mi (7,728.68 km) |
| Lake Hopatcong to Varna | 4,889.07 mi (7,868.19 km) |
