| Clayton to Orthez | 712.81 mi (1,147.16 km) |
| Clayton to Orvault | 449.90 mi (724.04 km) |
| Clayton to Osny | 366.43 mi (589.72 km) |
| Clayton to Ostwald | 547.81 mi (881.62 km) |
| Clayton to Ouistreham | 318.19 mi (512.08 km) |
| Clayton to Oullins | 630.28 mi (1,014.34 km) |
| Clayton to Outreau | 256.86 mi (413.38 km) |
| Clayton to Oyonnax | 615.97 mi (991.30 km) |
| Clayton to Ozoir-la-Ferriere | 396.37 mi (637.89 km) |
| Clayton to Pace | 389.29 mi (626.50 km) |
| Clayton to Palaiseau | 391.52 mi (630.09 km) |
| Clayton to Pamiers | 753.22 mi (1,212.18 km) |
| Clayton to Panazol | 566.06 mi (910.99 km) |
| Clayton to Pantin | 383.30 mi (616.86 km) |
| Clayton to Paray-le-Monial | 570.19 mi (917.63 km) |
