| Heswall to Orthez | 688.11 mi (1,107.40 km) |
| Heswall to Orvault | 423.47 mi (681.51 km) |
| Heswall to Osny | 369.85 mi (595.22 km) |
| Heswall to Ostwald | 573.97 mi (923.72 km) |
| Heswall to Ouistreham | 305.41 mi (491.52 km) |
| Heswall to Oullins | 633.57 mi (1,019.63 km) |
| Heswall to Outreau | 269.52 mi (433.75 km) |
| Heswall to Oyonnax | 624.54 mi (1,005.10 km) |
| Heswall to Ozoir-la-Ferriere | 402.01 mi (646.97 km) |
| Heswall to Pace | 362.56 mi (583.48 km) |
| Heswall to Palaiseau | 394.18 mi (634.38 km) |
| Heswall to Pamiers | 737.70 mi (1,187.21 km) |
| Heswall to Panazol | 553.59 mi (890.92 km) |
| Heswall to Pantin | 387.93 mi (624.32 km) |
| Heswall to Paray-le-Monial | 572.96 mi (922.09 km) |
