| Lake Hopatcong to Nymburk | 4,115.93 mi (6,623.95 km) |
| Lake Hopatcong to Olomouc | 4,221.63 mi (6,794.05 km) |
| Lake Hopatcong to Opava | 4,234.66 mi (6,815.02 km) |
| Lake Hopatcong to Orlova | 4,258.04 mi (6,852.66 km) |
| Lake Hopatcong to Ostrava | 4,253.12 mi (6,844.74 km) |
| Lake Hopatcong to Ostrov | 4,030.15 mi (6,485.91 km) |
| Lake Hopatcong to Otrokovice | 4,245.97 mi (6,833.23 km) |
| Lake Hopatcong to Pardubice | 4,149.44 mi (6,677.87 km) |
| Lake Hopatcong to Pelhrimov | 4,148.37 mi (6,676.16 km) |
| Lake Hopatcong to Pisek | 4,110.18 mi (6,614.70 km) |
| Lake Hopatcong to Plzen | 4,065.38 mi (6,542.60 km) |
| Lake Hopatcong to Podebrady | 4,120.38 mi (6,631.11 km) |
| Lake Hopatcong to Policka | 4,179.32 mi (6,725.96 km) |
| Lake Hopatcong to Prachatice | 4,114.10 mi (6,621.00 km) |
| Lake Hopatcong to Prague | 4,095.11 mi (6,590.44 km) |
