| Grefrath to Paola | 949.68 mi (1,528.36 km) |
| Grefrath to Parabiago | 416.64 mi (670.52 km) |
| Grefrath to Parabita | 962.84 mi (1,549.54 km) |
| Grefrath to Parma | 487.41 mi (784.41 km) |
| Grefrath to Partanna | 992.97 mi (1,598.04 km) |
| Grefrath to Partinico | 975.43 mi (1,569.80 km) |
| Grefrath to Pasian di Prato | 480.48 mi (773.27 km) |
| Grefrath to Paterno | 1,039.16 mi (1,672.36 km) |
| Grefrath to Patti | 1,003.65 mi (1,615.23 km) |
| Grefrath to Paullo | 432.33 mi (695.77 km) |
| Grefrath to Pavia | 444.18 mi (714.84 km) |
| Grefrath to Pavullo nel Frignano | 526.60 mi (847.48 km) |
| Grefrath to Pedara | 1,039.24 mi (1,672.49 km) |
| Grefrath to Pellezzano | 835.41 mi (1,344.47 km) |
| Grefrath to Penne | 709.71 mi (1,142.17 km) |
