| Grez-Doiceau to Ottendorf-Okrilla | 398.13 mi (640.73 km) |
| Grez-Doiceau to Ottersberg | 250.33 mi (402.86 km) |
| Grez-Doiceau to Ottobrunn | 363.20 mi (584.51 km) |
| Grez-Doiceau to Ottweiler | 144.53 mi (232.59 km) |
| Grez-Doiceau to Overath | 114.42 mi (184.13 km) |
| Grez-Doiceau to Oyten | 244.38 mi (393.29 km) |
| Grez-Doiceau to Paderborn | 188.13 mi (302.76 km) |
| Grez-Doiceau to Papenburg | 198.07 mi (318.76 km) |
| Grez-Doiceau to Parchim | 354.92 mi (571.19 km) |
| Grez-Doiceau to Pasewalk | 437.99 mi (704.88 km) |
| Grez-Doiceau to Passau | 419.15 mi (674.56 km) |
| Grez-Doiceau to Pattensen | 242.24 mi (389.85 km) |
| Grez-Doiceau to Pegnitz | 309.77 mi (498.52 km) |
| Grez-Doiceau to Peine | 261.83 mi (421.38 km) |
| Grez-Doiceau to Peissenberg | 351.16 mi (565.15 km) |
