| Trowbridge to Pontedera | 797.53 mi (1,283.50 km) |
| Trowbridge to Pontinia | 995.25 mi (1,601.70 km) |
| Trowbridge to Porcari | 788.10 mi (1,268.32 km) |
| Trowbridge to Porcia | 769.28 mi (1,238.04 km) |
| Trowbridge to Pordenone | 771.25 mi (1,241.21 km) |
| Trowbridge to Portici | 1,070.48 mi (1,722.77 km) |
| Trowbridge to Porto Empedocle | 1,237.27 mi (1,991.19 km) |
| Trowbridge to Porto Recanati | 917.99 mi (1,477.36 km) |
| Trowbridge to Porto Sant'Elpidio | 928.84 mi (1,494.82 km) |
| Trowbridge to Porto Tolle | 799.22 mi (1,286.22 km) |
| Trowbridge to Porto Torres | 883.03 mi (1,421.10 km) |
| Trowbridge to Portoferraio | 830.07 mi (1,335.86 km) |
| Trowbridge to Portogruaro | 785.03 mi (1,263.39 km) |
| Trowbridge to Portomaggiore | 790.64 mi (1,272.42 km) |
| Trowbridge to Potenza | 1,131.61 mi (1,821.15 km) |
