| Grimstad to Pandino | 895.01 mi (1,440.38 km) |
| Grimstad to Paola | 1,351.94 mi (2,175.74 km) |
| Grimstad to Parabiago | 883.29 mi (1,421.52 km) |
| Grimstad to Parabita | 1,332.06 mi (2,143.75 km) |
| Grimstad to Parma | 938.34 mi (1,510.11 km) |
| Grimstad to Partanna | 1,437.18 mi (2,312.92 km) |
| Grimstad to Partinico | 1,416.56 mi (2,279.73 km) |
| Grimstad to Pasian di Prato | 870.80 mi (1,401.42 km) |
| Grimstad to Paterno | 1,463.17 mi (2,354.75 km) |
| Grimstad to Patti | 1,424.74 mi (2,292.90 km) |
| Grimstad to Paullo | 893.59 mi (1,438.10 km) |
| Grimstad to Pavia | 909.25 mi (1,463.29 km) |
| Grimstad to Pavullo nel Frignano | 972.52 mi (1,565.13 km) |
| Grimstad to Pedara | 1,461.24 mi (2,351.64 km) |
| Grimstad to Pellezzano | 1,246.37 mi (2,005.84 km) |
