| Cities | Distance |
|---|---|
| Grefrath to Ottendorf-Okrilla | 323.70 mi (520.95 km) |
| Grefrath to Ottersberg | 170.24 mi (273.98 km) |
| Grefrath to Ottobrunn | 327.99 mi (527.84 km) |
| Grefrath to Ottweiler | 140.87 mi (226.71 km) |
| Grefrath to Overath | 49.41 mi (79.51 km) |
| Grefrath to Oyten | 164.46 mi (264.67 km) |
| Grefrath to Paderborn | 107.04 mi (172.26 km) |
| Grefrath to Papenburg | 127.69 mi (205.50 km) |
| Grefrath to Parchim | 272.53 mi (438.59 km) |
| Grefrath to Pasewalk | 355.45 mi (572.05 km) |
| Grefrath to Passau | 369.49 mi (594.64 km) |
| Grefrath to Pattensen | 159.85 mi (257.25 km) |
| Grefrath to Pegnitz | 253.15 mi (407.41 km) |
| Grefrath to Peine | 179.56 mi (288.98 km) |
| Grefrath to Peissenberg | 323.28 mi (520.27 km) |