| Helston to Orthez | 503.75 mi (810.70 km) |
| Helston to Orvault | 256.59 mi (412.94 km) |
| Helston to Osny | 336.12 mi (540.94 km) |
| Helston to Ostwald | 593.60 mi (955.30 km) |
| Helston to Ouistreham | 231.03 mi (371.81 km) |
| Helston to Oullins | 555.76 mi (894.41 km) |
| Helston to Outreau | 305.04 mi (490.91 km) |
| Helston to Oyonnax | 568.37 mi (914.70 km) |
| Helston to Ozoir-la-Ferriere | 368.48 mi (593.00 km) |
| Helston to Pace | 207.77 mi (334.37 km) |
| Helston to Palaiseau | 351.01 mi (564.90 km) |
| Helston to Pamiers | 582.11 mi (936.82 km) |
| Helston to Panazol | 423.17 mi (681.03 km) |
| Helston to Pantin | 353.98 mi (569.68 km) |
| Helston to Paray-le-Monial | 499.45 mi (803.79 km) |