| Cities | Distance |
|---|---|
| Portchester to Mirfield | 197.60 mi (318.01 km) |
| Portchester to Mitcham | 57.05 mi (91.81 km) |
| Portchester to Mold | 181.96 mi (292.83 km) |
| Portchester to Molesey | 50.69 mi (81.58 km) |
| Portchester to Monkseaton | 290.60 mi (467.68 km) |
| Portchester to Monmouth | 96.15 mi (154.74 km) |
| Portchester to Montrose | 408.99 mi (658.21 km) |
| Portchester to Morden | 55.71 mi (89.66 km) |
| Portchester to Morecambe | 235.07 mi (378.30 km) |
| Portchester to Moreton | 195.93 mi (315.32 km) |
| Portchester to Morley | 201.90 mi (324.92 km) |
| Portchester to Morpeth | 299.80 mi (482.48 km) |
| Portchester to Morriston | 134.49 mi (216.44 km) |
| Portchester to Mosbrough | 171.87 mi (276.59 km) |
| Portchester to Mossley | 188.72 mi (303.71 km) |