| Delaware to Oststeinbek | 4,170.96 mi (6,712.52 km) |
| Delaware to Ottendorf-Okrilla | 4,386.91 mi (7,060.05 km) |
| Delaware to Ottersberg | 4,148.82 mi (6,676.89 km) |
| Delaware to Ottobrunn | 4,419.72 mi (7,112.85 km) |
| Delaware to Ottweiler | 4,197.49 mi (6,755.20 km) |
| Delaware to Overath | 4,150.16 mi (6,679.03 km) |
| Delaware to Oyten | 4,145.27 mi (6,671.17 km) |
| Delaware to Paderborn | 4,179.90 mi (6,726.89 km) |
| Delaware to Papenburg | 4,085.68 mi (6,575.26 km) |
| Delaware to Parchim | 4,235.01 mi (6,815.59 km) |
| Delaware to Pasewalk | 4,308.79 mi (6,934.32 km) |
| Delaware to Passau | 4,470.38 mi (7,194.38 km) |
| Delaware to Pattensen | 4,199.19 mi (6,757.94 km) |
| Delaware to Pegnitz | 4,353.46 mi (7,006.22 km) |
| Delaware to Peine | 4,214.58 mi (6,782.71 km) |
