| Grenchen to Pontedera | 289.86 mi (466.48 km) |
| Grenchen to Pontinia | 487.17 mi (784.02 km) |
| Grenchen to Porcari | 278.96 mi (448.93 km) |
| Grenchen to Porcia | 261.88 mi (421.46 km) |
| Grenchen to Pordenone | 263.79 mi (424.53 km) |
| Grenchen to Portici | 558.88 mi (899.43 km) |
| Grenchen to Porto Empedocle | 751.65 mi (1,209.66 km) |
| Grenchen to Porto Recanati | 400.02 mi (643.78 km) |
| Grenchen to Porto Sant'Elpidio | 410.96 mi (661.38 km) |
| Grenchen to Porto Tolle | 282.04 mi (453.90 km) |
| Grenchen to Porto Torres | 441.82 mi (711.04 km) |
| Grenchen to Portoferraio | 334.13 mi (537.73 km) |
| Grenchen to Portogruaro | 276.24 mi (444.57 km) |
| Grenchen to Portomaggiore | 272.64 mi (438.77 km) |
| Grenchen to Potenza | 615.92 mi (991.23 km) |
