| Harrow to Ploermel | 268.39 mi (431.93 km) |
| Harrow to Ploufragan | 239.80 mi (385.92 km) |
| Harrow to Plougastel-Daoulas | 284.86 mi (458.43 km) |
| Harrow to Plouzane | 290.97 mi (468.26 km) |
| Harrow to Poissy | 211.62 mi (340.58 km) |
| Harrow to Poitiers | 347.10 mi (558.61 km) |
| Harrow to Pont-a-Mousson | 337.83 mi (543.68 km) |
| Harrow to Pont-du-Chateau | 431.91 mi (695.09 km) |
| Harrow to Pont-Saint-Esprit | 556.26 mi (895.22 km) |
| Harrow to Pont-Sainte-Maxence | 204.22 mi (328.66 km) |
| Harrow to Pontarlier | 442.15 mi (711.57 km) |
| Harrow to Pontchateau | 296.95 mi (477.89 km) |
| Harrow to Pontivy | 269.37 mi (433.51 km) |
| Harrow to Pontoise | 205.57 mi (330.83 km) |
| Harrow to Pornic | 318.65 mi (512.82 km) |
