| Gloucester to Oststeinbek | 531.65 mi (855.61 km) |
| Gloucester to Ottendorf-Okrilla | 691.10 mi (1,112.21 km) |
| Gloucester to Ottersberg | 486.45 mi (782.87 km) |
| Gloucester to Ottobrunn | 670.28 mi (1,078.70 km) |
| Gloucester to Ottweiler | 446.81 mi (719.07 km) |
| Gloucester to Overath | 415.87 mi (669.27 km) |
| Gloucester to Oyten | 480.74 mi (773.67 km) |
| Gloucester to Paderborn | 469.70 mi (755.91 km) |
| Gloucester to Papenburg | 414.05 mi (666.34 km) |
| Gloucester to Parchim | 598.86 mi (963.78 km) |
| Gloucester to Pasewalk | 688.18 mi (1,107.52 km) |
| Gloucester to Passau | 729.04 mi (1,173.27 km) |
| Gloucester to Pattensen | 510.35 mi (821.33 km) |
| Gloucester to Pegnitz | 618.37 mi (995.17 km) |
| Gloucester to Peine | 529.97 mi (852.91 km) |
