| Hopatcong to Oststeinbek | 3,828.63 mi (6,161.59 km) |
| Hopatcong to Ottendorf-Okrilla | 4,038.77 mi (6,499.77 km) |
| Hopatcong to Ottersberg | 3,802.64 mi (6,119.76 km) |
| Hopatcong to Ottobrunn | 4,053.79 mi (6,523.94 km) |
| Hopatcong to Ottweiler | 3,830.16 mi (6,164.05 km) |
| Hopatcong to Overath | 3,790.46 mi (6,100.15 km) |
| Hopatcong to Oyten | 3,798.69 mi (6,113.40 km) |
| Hopatcong to Paderborn | 3,826.14 mi (6,157.58 km) |
| Hopatcong to Papenburg | 3,736.73 mi (6,013.69 km) |
| Hopatcong to Parchim | 3,894.63 mi (6,267.80 km) |
| Hopatcong to Pasewalk | 3,972.38 mi (6,392.93 km) |
| Hopatcong to Passau | 4,109.72 mi (6,613.96 km) |
| Hopatcong to Pattensen | 3,849.72 mi (6,195.52 km) |
| Hopatcong to Pegnitz | 3,994.84 mi (6,429.07 km) |
| Hopatcong to Peine | 3,866.10 mi (6,221.89 km) |
