| Philadelphia to Oststeinbek | 3,892.17 mi (6,263.85 km) |
| Philadelphia to Ottendorf-Okrilla | 4,101.58 mi (6,600.86 km) |
| Philadelphia to Ottersberg | 3,865.78 mi (6,221.36 km) |
| Philadelphia to Ottobrunn | 4,114.31 mi (6,621.34 km) |
| Philadelphia to Ottweiler | 3,890.58 mi (6,261.28 km) |
| Philadelphia to Overath | 3,851.96 mi (6,199.12 km) |
| Philadelphia to Oyten | 3,861.78 mi (6,214.93 km) |
| Philadelphia to Paderborn | 3,888.38 mi (6,257.74 km) |
| Philadelphia to Papenburg | 3,799.58 mi (6,114.84 km) |
| Philadelphia to Parchim | 3,958.35 mi (6,370.35 km) |
| Philadelphia to Pasewalk | 4,036.48 mi (6,496.08 km) |
| Philadelphia to Passau | 4,170.95 mi (6,712.50 km) |
| Philadelphia to Pattensen | 3,912.46 mi (6,296.49 km) |
| Philadelphia to Pegnitz | 4,056.38 mi (6,528.12 km) |
| Philadelphia to Peine | 3,928.95 mi (6,323.03 km) |
