| Portsmouth to Monte di Procida | 1,001.15 mi (1,611.20 km) |
| Portsmouth to Monte Porzio Catone | 902.69 mi (1,452.73 km) |
| Portsmouth to Monte San Giovanni Campano | 939.80 mi (1,512.47 km) |
| Portsmouth to Monte San Pietro | 719.31 mi (1,157.61 km) |
| Portsmouth to Monte San Savino | 792.12 mi (1,274.80 km) |
| Portsmouth to Monte Sant'Angelo | 1,025.25 mi (1,649.99 km) |
| Portsmouth to Montebelluna | 694.93 mi (1,118.38 km) |
| Portsmouth to Montecatini Terme | 731.25 mi (1,176.83 km) |
| Portsmouth to Montecchio Emilia | 680.76 mi (1,095.58 km) |
| Portsmouth to Montecchio Maggiore | 681.38 mi (1,096.58 km) |
| Portsmouth to Montechiarugolo | 680.05 mi (1,094.44 km) |
| Portsmouth to Montecorvino Rovella | 1,038.89 mi (1,671.93 km) |
| Portsmouth to Montefiascone | 842.52 mi (1,355.90 km) |
| Portsmouth to Monteforte d'Alpone | 680.06 mi (1,094.46 km) |
| Portsmouth to Monteforte Irpino | 1,019.74 mi (1,641.12 km) |
