| Portchester to Moston | 190.15 mi (306.02 km) |
| Portchester to Motherwell | 361.28 mi (581.42 km) |
| Portchester to Mountain Ash | 113.59 mi (182.81 km) |
| Portchester to Musselburgh | 361.24 mi (581.35 km) |
| Portchester to Nailsea | 81.89 mi (131.78 km) |
| Portchester to Nairn | 478.92 mi (770.74 km) |
| Portchester to Nantwich | 164.91 mi (265.40 km) |
| Portchester to Neath | 129.32 mi (208.13 km) |
| Portchester to Nelson | 211.89 mi (341.01 km) |
| Portchester to Neston | 188.33 mi (303.08 km) |
| Portchester to Netherton | 121.17 mi (195.00 km) |
| Portchester to New Brighton | 196.74 mi (316.63 km) |
| Portchester to New Mills | 178.47 mi (287.22 km) |
| Portchester to New Milton | 23.83 mi (38.35 km) |
| Portchester to New Silksworth | 278.61 mi (448.39 km) |
