| Grevenbroich to Ottendorf-Okrilla | 313.78 mi (504.97 km) |
| Grevenbroich to Ottersberg | 176.47 mi (284.01 km) |
| Grevenbroich to Ottobrunn | 308.68 mi (496.78 km) |
| Grevenbroich to Ottweiler | 121.67 mi (195.82 km) |
| Grevenbroich to Overath | 32.41 mi (52.16 km) |
| Grevenbroich to Oyten | 170.95 mi (275.12 km) |
| Grevenbroich to Paderborn | 103.03 mi (165.80 km) |
| Grevenbroich to Papenburg | 140.98 mi (226.88 km) |
| Grevenbroich to Parchim | 273.96 mi (440.89 km) |
| Grevenbroich to Pasewalk | 354.56 mi (570.61 km) |
| Grevenbroich to Passau | 352.09 mi (566.64 km) |
| Grevenbroich to Pattensen | 158.67 mi (255.35 km) |
| Grevenbroich to Pegnitz | 236.78 mi (381.06 km) |
| Grevenbroich to Peine | 177.79 mi (286.12 km) |
| Grevenbroich to Peissenberg | 303.46 mi (488.37 km) |
