| Castleton to Orthez | 700.93 mi (1,128.04 km) |
| Castleton to Orvault | 437.27 mi (703.72 km) |
| Castleton to Osny | 362.46 mi (583.32 km) |
| Castleton to Ostwald | 551.88 mi (888.16 km) |
| Castleton to Ouistreham | 309.08 mi (497.41 km) |
| Castleton to Oullins | 626.73 mi (1,008.62 km) |
| Castleton to Outreau | 255.46 mi (411.13 km) |
| Castleton to Oyonnax | 614.11 mi (988.32 km) |
| Castleton to Ozoir-la-Ferriere | 393.19 mi (632.78 km) |
| Castleton to Pace | 376.47 mi (605.87 km) |
| Castleton to Palaiseau | 387.37 mi (623.42 km) |
| Castleton to Pamiers | 744.00 mi (1,197.35 km) |
| Castleton to Panazol | 557.58 mi (897.33 km) |
| Castleton to Pantin | 379.76 mi (611.17 km) |
| Castleton to Paray-le-Monial | 566.40 mi (911.54 km) |
