| Frederick to Oststeinbek | 4,005.80 mi (6,446.72 km) |
| Frederick to Ottendorf-Okrilla | 4,216.55 mi (6,785.88 km) |
| Frederick to Ottersberg | 3,980.18 mi (6,405.48 km) |
| Frederick to Ottobrunn | 4,232.78 mi (6,812.00 km) |
| Frederick to Ottweiler | 4,009.19 mi (6,452.16 km) |
| Frederick to Overath | 3,969.06 mi (6,387.59 km) |
| Frederick to Oyten | 3,976.26 mi (6,399.18 km) |
| Frederick to Paderborn | 4,004.33 mi (6,444.35 km) |
| Frederick to Papenburg | 3,914.50 mi (6,299.78 km) |
| Frederick to Parchim | 4,071.63 mi (6,552.65 km) |
| Frederick to Pasewalk | 4,148.98 mi (6,677.14 km) |
| Frederick to Passau | 4,288.44 mi (6,901.57 km) |
| Frederick to Pattensen | 4,027.56 mi (6,481.74 km) |
| Frederick to Pegnitz | 4,173.41 mi (6,716.45 km) |
| Frederick to Peine | 4,043.87 mi (6,507.97 km) |
